{"id":8304,"date":"2022-08-07T09:27:20","date_gmt":"2022-08-07T01:27:20","guid":{"rendered":"https:\/\/plasticmoulds.net\/?p=8304"},"modified":"2026-09-10T09:02:29","modified_gmt":"2026-09-10T01:02:29","slug":"tipi-di-produzione-a-contratto-di-stampaggio-a-iniezione-e-loro-significato","status":"publish","type":"page","link":"https:\/\/www.plasticmoulds.net\/it\/injection-molding-contract-manufacturing-types-and-what-they-mean","title":{"rendered":"Tipi di produzione a contratto di stampaggio a iniezione e loro significato"},"content":{"rendered":"<article class=\"tw-article-template\"><p><\/p><link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"><link href=\"https:\/\/fonts.googleapis.com\/css2?family=IBM+Plex+Sans:wght@400;500;600;700&#038;family=IBM+Plex+Sans+Condensed:wght@500;600;700&#038;display=swap\" rel=\"stylesheet\"><style> .tw-cm{<br \/> --ink:#1B2733;<br \/> --body:#3D4A57;<br \/> --muted:#6B7783;<br \/> --accent:#E5661A;<br \/> --accent-dark:#C4530F;<br \/> --tint:#FFF4EC;<br \/> --panel:#F2F4F6;<br \/> --line:#D8DEE4;<br \/> --paper:#FFFFFF;<br \/> --sans:\"IBM Plex Sans\",\"Segoe UI\",system-ui,-apple-system,sans-serif;<br \/> --cond:\"IBM Plex Sans Condensed\",\"IBM Plex Sans\",\"Segoe UI\",system-ui,sans-serif;<br \/> font-family:var(--sans);<br \/> color:var(--body);<br \/> line-height:1.6;<br \/> font-size:17px;<br \/> max-width:860px;<br \/> margin:0 auto;<br \/> }<br \/> .tw-cm *,.tw-cm *::before,.tw-cm *::after{box-sizing:border-box}<br \/> .tw-cm p{margin:0 0 1.1em;max-width:70ch}<br \/> .tw-cm h1,.tw-cm h2,.tw-cm h3{color:var(--ink);line-height:1.2;margin:0}<br \/> .tw-cm h1{font-size:clamp(30px,4.4vw,42px);font-weight:700;letter-spacing:-.01em;margin:6px 0 20px;max-width:22ch}<br \/> .tw-cm h2{font-size:clamp(23px,3vw,28px);font-weight:600;margin:56px 0 16px;padding-top:18px;border-top:2px solid var(--ink)}<br \/> .tw-cm h3{font-size:19px;font-weight:600;margin:26px 0 8px}<br \/> .tw-cm a{color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}<br \/> .tw-cm a:hover{color:var(--accent)}<br \/> .tw-cm a:focus-visible,.tw-cm summary:focus-visible,.tw-cm .tw-cm-btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}<br \/> .tw-cm ul,.tw-cm ol{padding-left:1.25em;margin:0 0 1.1em;max-width:70ch}<br \/> .tw-cm li{margin:0 0 .4em}<br \/> .tw-cm strong{color:var(--ink);font-weight:600}<\/p><p><br \/> .tw-cm-kicker{font-size:14px;color:var(--muted);margin:0 0 6px}<br \/> .tw-cm-kicker span{color:var(--accent);font-weight:600}<\/p><p><br \/> .tw-cm-answer{<br \/> border-left:4px solid var(--accent);<br \/> background:var(--tint);<br \/> padding:18px 22px;<br \/> margin:0 0 26px;<br \/> }<br \/> .tw-cm-answer p{margin:0;max-width:none;color:var(--ink)}<\/p><p><br \/> .tw-cm-spec{<br \/> display:grid;grid-template-columns:repeat(4,1fr);<br \/> border:1px solid var(--line);border-radius:4px;<br \/> margin:0 0 8px;overflow:hidden;<br \/> }<br \/> .tw-cm-spec div{padding:14px 16px;border-right:1px solid var(--line)}<br \/> .tw-cm-spec div:last-child{border-right:0}<br \/> .tw-cm-spec b{display:block;font-family:var(--cond);font-size:26px;font-weight:700;color:var(--ink);line-height:1;margin-bottom:4px}<br \/> .tw-cm-spec small{font-size:13px;color:var(--muted)}<\/p><p><br \/> .tw-cm-wrap{overflow-x:auto;margin:0 0 18px;-webkit-overflow-scrolling:touch}<br \/> .tw-cm table{border-collapse:collapse;width:100%;min-width:620px;font-size:15.5px}<br \/> .tw-cm th,.tw-cm td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}<br \/> .tw-cm thead th{color:var(--ink);font-weight:600;border-bottom:2px solid var(--ink);background:var(--paper)}<br \/> .tw-cm tbody td:first-child{color:var(--ink);font-weight:500;width:22%}<br \/> .tw-cm-compare td.hi,.tw-cm-compare th.hi{background:var(--tint)}<br \/> .tw-cm-compare th.hi{box-shadow:inset 0 -2px 0 var(--accent)}<\/p><p><br \/> .tw-cm-types{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0 12px}<br \/> .tw-cm-type{border:1px solid var(--line);border-top:3px solid var(--ink);padding:20px 20px 16px;background:var(--paper);position:relative}<br \/> .tw-cm-type.lead{border-top-color:var(--accent)}<br \/> .tw-cm-type .tag{position:absolute;top:-12px;left:16px;background:var(--accent);color:#fff;font-size:12px;font-weight:600;padding:3px 9px;border-radius:2px}<br \/> .tw-cm-type .num{font-family:var(--cond);font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.02em;margin-bottom:6px}<br \/> .tw-cm-type h3{margin:0 0 10px;font-size:18px}<br \/> .tw-cm-type p{font-size:15.5px;margin:0 0 12px}<br \/> .tw-cm-type .fit{font-size:14px;color:var(--muted);margin:0 0 4px;font-weight:500}<br \/> .tw-cm-type ul{padding-left:0;list-style:none;margin:0;font-size:14.5px}<br \/> .tw-cm-type li{padding-left:18px;position:relative;margin:0 0 4px}<br \/> .tw-cm-type li::before{content:\"\";position:absolute;left:0;top:9px;width:9px;height:9px;border:2px solid var(--accent);border-radius:50%}<\/p><p><br \/> .tw-cm-quote{<br \/> background:var(--panel);<br \/> padding:28px;<br \/> margin:20px 0 22px;<br \/> }<br \/> .tw-cm-quote .sheet{<br \/> background:var(--paper);<br \/> border:1px solid var(--line);<br \/> padding:22px 26px 10px;<br \/> max-width:640px;<br \/> margin:0 auto;<br \/> box-shadow:0 1px 0 var(--line),0 12px 24px -18px rgba(27,39,51,.35);<br \/> }<br \/> .tw-cm-quote .head{display:flex;justify-content:space-between;align-items:baseline;border-bottom:2px solid var(--ink);padding-bottom:10px;margin-bottom:6px}<br \/> .tw-cm-quote .head b{font-family:var(--cond);font-size:20px;color:var(--ink)}<br \/> .tw-cm-quote .head span{font-size:13px;color:var(--muted)}<br \/> .tw-cm-quote .line{display:grid;grid-template-columns:28px 1fr auto;align-items:baseline;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15.5px}<br \/> .tw-cm-quote .line:last-of-type{border-bottom:0}<br \/> .tw-cm-quote .line .n{font-family:var(--cond);font-weight:600;color:var(--accent)}<br \/> .tw-cm-quote .line .k{color:var(--ink);font-weight:600}<br \/> .tw-cm-quote .line .k small{display:block;font-weight:400;color:var(--muted);font-size:13.5px;line-height:1.45;margin-top:2px}<br \/> .tw-cm-quote .line .v{font-family:var(--cond);font-weight:600;color:var(--ink);white-space:nowrap;font-size:16px}<br \/> .tw-cm-quote .foot{font-size:12.5px;color:var(--muted);padding:12px 0 6px;border-top:1px solid var(--line);margin-top:6px}<\/p><p><br \/> .tw-cm-cost td:nth-child(2){font-family:var(--cond);font-weight:600;color:var(--ink);white-space:nowrap;font-size:16px}<\/p><p><br \/> .tw-cm-levers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:0;list-style:none;margin:14px 0 8px;max-width:none}<br \/> .tw-cm-levers li{border:1px solid var(--line);padding:16px;font-size:15px;margin:0}<br \/> .tw-cm-levers b{display:block;color:var(--ink);margin-bottom:4px}<br \/> .tw-cm-levers em{font-style:normal;font-family:var(--cond);color:var(--accent);font-weight:700}<\/p><p><br \/> .tw-cm-rail{list-style:none;padding:0;margin:22px 0 10px;max-width:none;display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}<br \/> .tw-cm-rail::before{content:\"\";position:absolute;left:calc(100% \/ 12);right:calc(100% \/ 12);top:31px;height:2px;background:var(--line)}<br \/> .tw-cm-rail li{position:relative;padding:0 8px;text-align:center;margin:0}<br \/> .tw-cm-rail .when{font-family:var(--cond);font-size:12.5px;font-weight:600;color:var(--muted);height:20px;display:block}<br \/> .tw-cm-rail .dot{width:22px;height:22px;border-radius:50%;background:var(--paper);border:3px solid var(--ink);margin:0 auto 12px;position:relative;z-index:1}<br \/> .tw-cm-rail li.key .dot{border-color:var(--accent);background:var(--accent)}<br \/> .tw-cm-rail b{display:block;color:var(--ink);font-size:15px;line-height:1.25;margin-bottom:6px}<br \/> .tw-cm-rail p{font-size:13.5px;line-height:1.45;margin:0;color:var(--body)}<\/p><p><br \/> .tw-cm-ind{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;margin:8px 0 4px}<br \/> .tw-cm-ind div{padding:16px 0;border-bottom:1px solid var(--line)}<br \/> .tw-cm-ind h3{margin:0 0 6px;font-size:17px}<br \/> .tw-cm-ind p{font-size:15.5px;margin:0;max-width:none}<\/p><p><br \/> .tw-cm-why{counter-reset:why;list-style:none;padding:0;margin:10px 0 0;max-width:none;display:grid;grid-template-columns:1fr 1fr;gap:6px 32px}<br \/> .tw-cm-why li{counter-increment:why;display:grid;grid-template-columns:34px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);margin:0}<br \/> .tw-cm-why li::before{content:counter(why);font-family:var(--cond);font-weight:700;font-size:22px;color:var(--accent);line-height:1.1}<br \/> .tw-cm-why b{display:block;color:var(--ink);margin-bottom:3px;font-size:16px}<br \/> .tw-cm-why span{font-size:15px;line-height:1.5}<\/p><p><br \/> .tw-cm-faq{margin:6px 0 0}<br \/> .tw-cm-faq details{border-bottom:1px solid var(--line)}<br \/> .tw-cm-faq summary{cursor:pointer;list-style:none;padding:16px 36px 16px 0;font-weight:600;color:var(--ink);font-size:17px;position:relative}<br \/> .tw-cm-faq summary::-webkit-details-marker{display:none}<br \/> .tw-cm-faq summary::after{content:\"\";position:absolute;right:6px;top:22px;width:10px;height:10px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);transition:transform .2s}<br \/> .tw-cm-faq details[open] summary::after{transform:rotate(-135deg);top:26px}<br \/> .tw-cm-faq details p{padding:0 0 18px;margin:0;max-width:72ch}<\/p><p><br \/> .tw-cm-cta{background:var(--ink);color:#DCE3EA;padding:34px 32px;margin:52px 0 30px}<br \/> .tw-cm-cta h2{color:#fff;border:0;margin:0 0 10px;padding:0;font-size:26px}<br \/> .tw-cm-cta p{color:#DCE3EA;max-width:60ch}<br \/> .tw-cm-btn{display:inline-block;background:var(--accent);color:#fff !important;text-decoration:none !important;font-weight:600;padding:13px 22px;border-radius:3px;margin:6px 0 14px;transition:background .15s}<br \/> .tw-cm-btn:hover{background:var(--accent-dark)}<br \/> .tw-cm-cta small{display:block;font-size:13.5px;color:#9AA7B4}<\/p><p><br \/> .tw-cm-close{border-top:1px solid var(--line);padding-top:20px;margin-top:8px}<br \/> .tw-cm-close p{color:var(--ink);font-size:17.5px}<\/p><p>@media (max-width:760px){<br \/> .tw-cm{font-size:16px}<br \/> .tw-cm-spec{grid-template-columns:1fr 1fr}<br \/> .tw-cm-spec div:nth-child(2){border-right:0}<br \/> .tw-cm-spec div:nth-child(-n+2){border-bottom:1px solid var(--line)}<br \/> .tw-cm-types,.tw-cm-levers,.tw-cm-ind,.tw-cm-why{grid-template-columns:1fr}<br \/> .tw-cm-rail{grid-template-columns:1fr;gap:0}<br \/> .tw-cm-rail::before{left:10px;right:auto;top:0;bottom:0;width:2px;height:auto}<br \/> .tw-cm-rail li{text-align:left;padding:0 0 22px 36px}<br \/> .tw-cm-rail .dot{position:absolute;left:0;top:2px;margin:0}<br \/> .tw-cm-rail .when{height:auto;margin-bottom:2px}<br \/> .tw-cm-quote{padding:14px}<br \/> .tw-cm-quote .sheet{padding:16px 16px 6px}<br \/> .tw-cm-cta{padding:26px 20px}<br \/> }<br \/> @media (prefers-reduced-motion:reduce){<br \/> .tw-cm *{transition:none !important}<br \/> }<br \/><\/style><article class=\"tw-cm\"><p class=\"tw-cm-kicker\"><span>Contract injection molding<\/span> from Huangyan, China, since 2002<\/p><h1>Contract Manufacturing for Injection Molding: Types, Costs, and How It Works<\/h1><div class=\"tw-cm-answer\"><p><strong>Short answer:<\/strong> Contract manufacturing injection molding means one supplier runs your plastic parts program from start to finish. That covers tooling, molding, inspection, assembly, and delivery. You pay a one-time tooling fee plus a per-part rate. Three contract models exist: full-service, tooling-plus-molding, and consignment. Choose based on annual volume, IP control, and material traceability.<\/p><\/div><figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/058c4370-7373-4d0c-ae59-8a32c6643f9d.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"769\" data-id=\"19172\" src=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/058c4370-7373-4d0c-ae59-8a32c6643f9d-1024x769.webp\" alt=\"\" class=\"wp-image-19172\" srcset=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/058c4370-7373-4d0c-ae59-8a32c6643f9d-1024x769.webp 1024w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/058c4370-7373-4d0c-ae59-8a32c6643f9d-300x225.webp 300w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/058c4370-7373-4d0c-ae59-8a32c6643f9d-768x577.webp 768w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/058c4370-7373-4d0c-ae59-8a32c6643f9d-16x12.webp 16w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/058c4370-7373-4d0c-ae59-8a32c6643f9d.webp 1447w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/c5dd5efc-ad1e-4ca9-ac07-53794fab7018.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"769\" data-id=\"19173\" src=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/c5dd5efc-ad1e-4ca9-ac07-53794fab7018-1024x769.webp\" alt=\"\" class=\"wp-image-19173\" srcset=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/c5dd5efc-ad1e-4ca9-ac07-53794fab7018-1024x769.webp 1024w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/c5dd5efc-ad1e-4ca9-ac07-53794fab7018-300x225.webp 300w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/c5dd5efc-ad1e-4ca9-ac07-53794fab7018-768x577.webp 768w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/c5dd5efc-ad1e-4ca9-ac07-53794fab7018-16x12.webp 16w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/c5dd5efc-ad1e-4ca9-ac07-53794fab7018.webp 1447w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/e7a8f087-535a-429b-bd1f-f0a16b33d78c.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"769\" data-id=\"19174\" src=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/e7a8f087-535a-429b-bd1f-f0a16b33d78c-1024x769.webp\" alt=\"\" class=\"wp-image-19174\" srcset=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/e7a8f087-535a-429b-bd1f-f0a16b33d78c-1024x769.webp 1024w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/e7a8f087-535a-429b-bd1f-f0a16b33d78c-300x225.webp 300w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/e7a8f087-535a-429b-bd1f-f0a16b33d78c-768x577.webp 768w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/e7a8f087-535a-429b-bd1f-f0a16b33d78c-16x12.webp 16w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/e7a8f087-535a-429b-bd1f-f0a16b33d78c.webp 1447w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/39bc6a0a-d31b-4b52-bdea-541d4d7a090d.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"767\" data-id=\"19171\" src=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/39bc6a0a-d31b-4b52-bdea-541d4d7a090d-1024x767.webp\" alt=\"\" class=\"wp-image-19171\" srcset=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/39bc6a0a-d31b-4b52-bdea-541d4d7a090d-1024x767.webp 1024w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/39bc6a0a-d31b-4b52-bdea-541d4d7a090d-300x225.webp 300w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/39bc6a0a-d31b-4b52-bdea-541d4d7a090d-768x576.webp 768w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/39bc6a0a-d31b-4b52-bdea-541d4d7a090d-16x12.webp 16w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/39bc6a0a-d31b-4b52-bdea-541d4d7a090d.webp 1449w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/5e875921-d170-40ce-ac85-c0b011cb9cc8.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"769\" data-id=\"19170\" src=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/5e875921-d170-40ce-ac85-c0b011cb9cc8-1024x769.webp\" alt=\"\" class=\"wp-image-19170\" srcset=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/5e875921-d170-40ce-ac85-c0b011cb9cc8-1024x769.webp 1024w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/5e875921-d170-40ce-ac85-c0b011cb9cc8-300x225.webp 300w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/5e875921-d170-40ce-ac85-c0b011cb9cc8-768x577.webp 768w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/5e875921-d170-40ce-ac85-c0b011cb9cc8-16x12.webp 16w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/5e875921-d170-40ce-ac85-c0b011cb9cc8.webp 1447w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/4e88eac0-e847-4f92-a3fb-ec2db55207fa.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"769\" data-id=\"19169\" src=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/4e88eac0-e847-4f92-a3fb-ec2db55207fa-1024x769.webp\" alt=\"\" class=\"wp-image-19169\" srcset=\"https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/4e88eac0-e847-4f92-a3fb-ec2db55207fa-1024x769.webp 1024w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/4e88eac0-e847-4f92-a3fb-ec2db55207fa-300x225.webp 300w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/4e88eac0-e847-4f92-a3fb-ec2db55207fa-768x577.webp 768w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/4e88eac0-e847-4f92-a3fb-ec2db55207fa-16x12.webp 16w, https:\/\/www.plasticmoulds.net\/wp-content\/uploads\/2026\/07\/4e88eac0-e847-4f92-a3fb-ec2db55207fa.webp 1447w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/figure><p>I have run contract programs for OEMs since 2002. The same questions come up every time. What does it cost? Who owns the mold? What happens when a part fails inspection? This page answers all of them with numbers from our shop floor in Huangyan.<\/p><div class=\"tw-cm-spec\"><div><b>20+<\/b><small>years in contract molding<\/small><\/div><div><b>500+<\/b><small>OEM programs delivered<\/small><\/div><div><b>50\u20132500T<\/b><small>15+ presses<\/small><\/div><div><b>24 h<\/b><small>RFQ response<\/small><\/div><\/div><h2>What is contract manufacturing for injection molding?<\/h2><p>Contract manufacturing for injection molding is an outsourcing agreement. One manufacturer takes responsibility for your plastic parts from mold tooling through finished, inspected, packaged goods.<\/p><p>It differs from spot buying in three ways. You get reserved machine capacity. You get one accountable quality owner. And you get pricing locked for the contract term instead of a fresh quote on every order.<\/p><p>For an OEM the math is simple. No capital tied up in presses. No quality drift across three or four suppliers. Your engineers stay on product development instead of chasing production problems.<\/p><p>Topworks has delivered contract manufacturing injection molding programs to buyers in the USA, Germany, the UK, Italy, and 47 other countries. Most started with a single mold. Many now run twenty or more tools with us.<\/p><h2>Contract manufacturing vs spot buying vs in-house molding<\/h2><p>Before choosing a contract type, decide whether a contract is right at all. Here is how the three sourcing routes compare.<\/p><div class=\"tw-cm-wrap\"><table class=\"tw-cm-compare\"><thead><tr><th><\/th><th class=\"hi\">Contract manufacturing<\/th><th>Spot buying<\/th><th>In-house molding<\/th><\/tr><\/thead><tbody><tr><td>Upfront capital<\/td><td class=\"hi\">Tooling only<\/td><td>Tooling only<\/td><td>Presses, tooling, floor space, staff<\/td><\/tr><tr><td>Per-part cost<\/td><td class=\"hi\">Locked for term, volume-tiered<\/td><td>Requoted each PO, often higher<\/td><td>Lowest at high volume, hidden overhead<\/td><\/tr><tr><td>Machine capacity<\/td><td class=\"hi\">Reserved for you<\/td><td>First come, first served<\/td><td>Fixed, hard to scale<\/td><\/tr><tr><td>Quality ownership<\/td><td class=\"hi\">One supplier, one 8D report<\/td><td>Varies per order<\/td><td>Entirely yours<\/td><\/tr><tr><td>Lead time control<\/td><td class=\"hi\">Written into contract<\/td><td>Uncertain<\/td><td>Full control<\/td><\/tr><tr><td>IP exposure<\/td><td class=\"hi\">NDA plus mold ownership options<\/td><td>Higher, more hands involved<\/td><td>Lowest<\/td><\/tr><tr><td>Best for<\/td><td class=\"hi\">Steady annual volume, no plant<\/td><td>One-off runs, prototypes<\/td><td>Very high volume, deep pockets<\/td><\/tr><\/tbody><\/table><\/div><p>Most OEMs we work with sit in the first column. They have steady demand but no reason to run a plastics plant.<\/p><h2>Three contract manufacturing models<\/h2><p>We offer three contract structures. Each matches a different volume, IP requirement, and risk profile.<\/p><div class=\"tw-cm-types\"><div class=\"tw-cm-type lead\"><span class=\"tag\">Most chosen<\/span><\/p><div class=\"num\">Type 01<\/div><h3>Full-service contract<\/h3><p>Topworks manages everything: tooling, molding, QC, assembly, packaging, and DDP delivery. You receive finished goods and one invoice.<\/p><p class=\"fit\">Best for<\/p><ul><li>Brands without in-house manufacturing<\/li><li>Startups scaling to mass production<\/li><li>Products with multi-step assembly<\/li><\/ul><\/div><div class=\"tw-cm-type\"><div class=\"num\">Type 02<\/div><h3>Tooling + molding only<\/h3><p>You own the mold and the tool design. Topworks runs production on a dedicated contract basis. You can relocate the mold at any time.<\/p><p class=\"fit\">Best for<\/p><ul><li>Established brands re-sourcing production<\/li><li>Products with proprietary geometry<\/li><li>Dual-sourcing strategies<\/li><\/ul><\/div><div class=\"tw-cm-type\"><div class=\"num\">Type 03<\/div><h3>Consignment molding<\/h3><p>You supply the resin. Topworks molds and returns finished parts under strict material traceability. Common with FDA-grade and flame-retardant compounds.<\/p><p class=\"fit\">Best for<\/p><ul><li>Medical and food-contact applications<\/li><li>Regulated-industry compliance<\/li><li>Proprietary engineering resins<\/li><\/ul><\/div><\/div><h2>How contract injection molding is priced<\/h2><p>Every contract quote we issue has the same five lines. Knowing them lets you compare suppliers on equal terms.<\/p><div class=\"tw-cm-quote\"><div class=\"sheet\"><div class=\"head\"><b>Contract quotation<\/b><span>What every line means<\/span><\/div><div class=\"line\"><span class=\"n\">1<\/span><span class=\"k\">Tooling<small>One-time. Driven by steel grade, cavity count, sliders or lifters, and hot runner.<\/small><\/span><span class=\"v\">one-time<\/span><\/div><div class=\"line\"><span class=\"n\">2<\/span><span class=\"k\">Per-part rate<small>Material + machine time + labor + overhead. Cycle time is the biggest lever.<\/small><\/span><span class=\"v\">per part<\/span><\/div><div class=\"line\"><span class=\"n\">3<\/span><span class=\"k\">Secondary operations<small>Assembly, pad printing, ultrasonic welding, painting.<\/small><\/span><span class=\"v\">per part<\/span><\/div><div class=\"line\"><span class=\"n\">4<\/span><span class=\"k\">Packaging<small>Bulk cartons cost little. Custom trays or blister packs add up.<\/small><\/span><span class=\"v\">per unit<\/span><\/div><div class=\"line\"><span class=\"n\">5<\/span><span class=\"k\">Logistics<small>DDP means one number, duties and clearance included.<\/small><\/span><span class=\"v\">per shipment<\/span><\/div><div class=\"foot\">Ask any supplier to break their quote into these five lines. If they cannot, something is buried.<\/div><\/div><\/div><div class=\"tw-cm-wrap\"><table class=\"tw-cm-cost\"><thead><tr><th>Cost item<\/th><th>Typical range (China, 2026)<\/th><th>What moves the number<\/th><\/tr><\/thead><tbody><tr><td>Aluminum \/ soft tool (prototype, up to 10k shots)<\/td><td>$1,500 \u2013 $6,000<\/td><td>Part size, cavity count<\/td><\/tr><tr><td>P20 steel production mold (300k\u2013500k shots)<\/td><td>$5,000 \u2013 $25,000<\/td><td>Cavities, side actions, surface finish<\/td><\/tr><tr><td>Hardened H13 \/ S136 mold (1M+ shots)<\/td><td>$15,000 \u2013 $60,000+<\/td><td>Hot runner, tolerance class, texture<\/td><\/tr><tr><td>Per-part molding rate<\/td><td>$0.08 \u2013 $3.00<\/td><td>Resin, shot weight, cycle time, press size<\/td><\/tr><tr><td>Assembly \/ secondary ops<\/td><td>$0.05 \u2013 $1.50<\/td><td>Manual vs automated steps<\/td><\/tr><tr><td>DDP freight to US \/ EU<\/td><td>per shipment<\/td><td>Volume, sea vs air<\/td><\/tr><\/tbody><\/table><\/div><p>These ranges come from our 2025\u20132026 quotes. For exact figures on your part, see the <a href=\"https:\/\/www.plasticmoulds.net\/injection-molding-cost-the-complete-buyer-guide\">injection molding cost guide<\/a> or send us drawings.<\/p><h3>Three things that cut your contract price<\/h3><ul class=\"tw-cm-levers\"><li><b>Commit annual volume<\/b>Our per-part rate drops at <em>10k<\/em>, <em>50k<\/em>, and <em>100k<\/em> tiers.<\/li><li><b>Accept DFM changes<\/b>A <em>10%<\/em> wall reduction often cuts cycle time by <em>20%<\/em>.<\/li><li><b>Consolidate SKUs<\/b>A family mold runs two or three related parts in one tool where geometry allows.<\/li><\/ul><h2>How a contract program works: 6 steps<\/h2><ol class=\"tw-cm-rail\"><li class=\"key\"><span class=\"when\">Day 1<\/span><span class=\"dot\"><\/span><b>RFQ<\/b><p>Send drawings or 3D files. NDA first, then a proposal within 24 hours.<\/p><\/li><li><span class=\"when\">Week 1<\/span><span class=\"dot\"><\/span><b>DFM review<\/b><p>Free. We flag wall, draft, gate, and tolerance risks before any steel is cut.<\/p><\/li><li><span class=\"when\">Weeks 2\u20137<\/span><span class=\"dot\"><\/span><b>Tooling<\/b><p>4\u20136 weeks for a P20 production mold. Weekly photo updates.<\/p><\/li><li class=\"key\"><span class=\"when\">Week 8<\/span><span class=\"dot\"><\/span><b>T1 sample<\/b><p>Samples ship with a CMM report. Tooling balance due on your approval.<\/p><\/li><li><span class=\"when\">Weeks 9\u201310<\/span><span class=\"dot\"><\/span><b>Production<\/b><p>First-article, SPC, AQL outgoing. PPAP Level 3 for automotive.<\/p><\/li><li class=\"key\"><span class=\"when\">Week 10+<\/span><span class=\"dot\"><\/span><b>DDP delivery<\/b><p>Door-to-door. Duties and customs handled by us.<\/p><\/li><\/ol><h2>Industries we serve<\/h2><div class=\"tw-cm-ind\"><div><h3>Automotive<\/h3><p>IATF 16949 with PPAP Level 3 as standard. Interior trim, connectors, under-hood PA66. See <a href=\"https:\/\/plasticmoulds.net\/automotive-injection-molding\">automotive injection molding<\/a>.<\/p><\/div><div><h3>Medical devices<\/h3><p>FDA-grade resins, lot-level traceability, full documentation. Most medical clients use consignment. See <a href=\"https:\/\/plasticmoulds.net\/china-medical-device-injection-molding-company\">medical injection molding<\/a>.<\/p><\/div><div><h3>Consumer electronics<\/h3><p>PC\/ABS housings, <a href=\"https:\/\/www.plasticmoulds.net\/pmma-acrylic-injection-molding\">PMMA<\/a> light guides and lenses, SPI A-2 cosmetic finishes. Tight color matching across batches.<\/p><\/div><div><h3>Industrial equipment<\/h3><p>Glass-filled <a href=\"https:\/\/www.plasticmoulds.net\/nylon-injection-molding\">nylon<\/a>, PP, and large housings up to 2500T. <a href=\"https:\/\/www.plasticmoulds.net\/low-volume-production\">Low-volume runs<\/a> for spares and legacy products.<\/p><\/div><\/div><h2>7 reasons OEMs choose Topworks<\/h2><ol class=\"tw-cm-why\"><li><div><b>ISO 9001 + IATF 16949<\/b><span>Dual-certified quality system covering commercial and automotive work. PPAP, FMEA, and control plans available.<\/span><\/div><\/li><li><div><b>Tooling and molding under one roof<\/b><span>We build the mold and run it. No handoff between a tool shop and a molder. No finger-pointing when something drifts.<\/span><\/div><\/li><li><div><b>Dedicated machine capacity<\/b><span>Priority scheduling on 80+ presses from 50T to 2500T. You never compete with spot orders.<\/span><\/div><\/li><li><div><b>100% in-process QC<\/b><span>First-article inspection, SPC monitoring, Zeiss CMM reports, and outgoing AQL on every run.<\/span><\/div><\/li><li><div><b>NDA and IP protection<\/b><span>NDA signed before we open any drawing. Encrypted storage, restricted access, no subcontracting without written approval. Zero IP disputes in 20+ years.<\/span><\/div><\/li><li><div><b>DDP worldwide shipping<\/b><span>Door-to-door to the USA, EU, UK, Australia, and 47 other countries. One price, no surprises at customs.<\/span><\/div><\/li><li><div><b>English-speaking project manager<\/b><span>One PM with an engineering background handles your account end-to-end. Weekly updates, same-day WhatsApp response.<\/span><\/div><\/li><\/ol><h2>Frequently asked questions<\/h2><div class=\"tw-cm-faq\"><details><summary>What is the minimum order quantity for contract injection molding?<\/summary><p>Contract programs start at 1,000 parts per run with an annual commitment of 10,000+ pieces. For prototype or low-volume work, soft-tooling programs start at 100 pieces with no annual commitment.<\/p><\/details><details><summary>How much does contract manufacturing injection molding cost?<\/summary><p>Expect a one-time tooling fee of $5,000\u2013$25,000 for a typical steel production mold, plus a per-part rate of $0.08\u2013$3.00. Assembly, packaging, and DDP freight are quoted separately. Annual volume commitments lower the per-part rate.<\/p><\/details><details><summary>How long from RFQ to first shipment?<\/summary><p>Typically 7\u20139 weeks. That is 4\u20136 weeks for tooling, one week for T1 sampling and approval, and one to two weeks for the first production run. Air freight adds 5\u20137 days; sea freight adds 30\u201340 days.<\/p><\/details><details><summary>Who owns the mold in a contract program?<\/summary><p>You do, once the tooling invoice is paid in full. Under Type 02 you can relocate the mold at any time. Under Type 01 we store and maintain it at no charge for the contract term.<\/p><\/details><details><summary>How do you handle quality control in contract manufacturing?<\/summary><p>Every program includes a first-article inspection report, SPC process monitoring, Zeiss CMM dimensional reports at the agreed frequency, AQL outgoing inspection, and full material traceability. Automotive programs include PPAP Level 3 as standard.<\/p><\/details><details><summary>Can we visit your factory before signing a contract?<\/summary><p>Yes, and we encourage it. We are in Huangyan, Taizhou, China&#8217;s mold city. We arrange airport pickup from Wenzhou (WNZ) or Ningbo (NGB). Live video factory tours are available if you cannot travel.<\/p><\/details><details><summary>What happens if parts are out of spec?<\/summary><p>Topworks bears full responsibility for non-conforming parts caused by our process. We replace or rework at no charge and issue an 8D corrective action report within 5 business days. Our defect rate on contract programs is below 0.3% based on 2024 audit data.<\/p><\/details><details><summary>What are typical contract terms and payment structure?<\/summary><p>Standard contract length is 1\u20133 years with annual renewal. Tooling: 50% deposit, 50% on T1 approval. Production: 30% deposit, 70% before shipment. Clients with 12+ months of payment history qualify for net-30 or net-60. L\/C accepted over $50,000.<\/p><\/details><\/div><div class=\"tw-cm-cta\"><h2>Ready to start a contract program?<\/h2><p>Send your part drawings or a product description. You get a tailored contract proposal and a free DFM analysis within 24 hours. No obligation.<\/p><p><a class=\"tw-cm-btn\" href=\"https:\/\/www.plasticmoulds.net\/contact-us\/\">Get a free contract proposal<\/a><br \/><small>NDA signed before we review any drawings. Response within 24 business hours.<\/small><\/div><div class=\"tw-cm-close\"><p>Contract manufacturing injection molding works when three things line up: steady annual volume, a supplier who owns tooling and molding together, and pricing you can see line by line. Pick the contract type that matches your IP and material needs. Then hold your supplier to a written process with inspection at every gate. That is how our longest-running programs started, and it is how most of them are still running today.<\/p><\/div><\/article><p><script><br \/> {<br \/> \"@context\": \"https:\/\/schema.org\",<br \/> \"@type\": \"FAQPage\",<br \/> \"mainEntity\": [<br \/> {\"@type\":\"Question\",\"name\":\"What is the minimum order quantity for contract injection molding?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Contract programs start at 1,000 parts per run with an annual commitment of 10,000+ pieces. For prototype or low-volume work, soft-tooling programs start at 100 pieces with no annual commitment.\"}},<br \/> {\"@type\":\"Question\",\"name\":\"How much does contract manufacturing injection molding cost?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Expect a one-time tooling fee of $5,000\u2013$25,000 for a typical steel production mold, plus a per-part rate of $0.08\u2013$3.00. Assembly, packaging, and DDP freight are quoted separately. 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L\/C accepted over $50,000.\"}}<br \/> ]<br \/> }<br \/><\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>Contract injection molding from Huangyan, China, since 2002Contract Manufacturing for Injection Molding: Types, Costs, and How It WorksShort answer: Contract manufacturing injection molding means one supplier runs your plastic parts program from start to finish. That covers tooling, molding, inspection, assembly, and delivery. You pay a one-time tooling fee plus a per-part rate. Three contract [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-8304","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/www.plasticmoulds.net\/it\/wp-json\/wp\/v2\/pages\/8304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.plasticmoulds.net\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.plasticmoulds.net\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.plasticmoulds.net\/it\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.plasticmoulds.net\/it\/wp-json\/wp\/v2\/comments?post=8304"}],"version-history":[{"count":10,"href":"https:\/\/www.plasticmoulds.net\/it\/wp-json\/wp\/v2\/pages\/8304\/revisions"}],"predecessor-version":[{"id":19521,"href":"https:\/\/www.plasticmoulds.net\/it\/wp-json\/wp\/v2\/pages\/8304\/revisions\/19521"}],"wp:attachment":[{"href":"https:\/\/www.plasticmoulds.net\/it\/wp-json\/wp\/v2\/media?parent=8304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}