China injection molding,plastic injection molding company-Topworks

Why China injection molding-Topworks?

Injection molding overseas is not cost-effective for most companies. The high shipping costs and delivery delays by overseas customs make it inefficient, so make it locally?

You have likely heard negatively about the quality of plastic injection molding companies in China.

However, the outsourcing industry within China has grown consistently. Many companies worldwide continue to purchase China injection molding services; some are placing large orders, and some even set up their own sourcing office in China.

People prefer advanced injection molds and durable injection parts. The Chinese suppliers are reliable business partners in the injection industry.


“I’m glad to inform you that all plastic parts are perfect!!! We are delighted, and therefore there are good chances to continue our relationship for any coming new project.”
Products Developer
“Steven is an excellent professional with great knowledge and technical practice.”
“Steven is a very detail-oriented project manager and engineer who can solve problems creatively and also provides excellent service. It was a pleasure working with him.”
Business CEO

As a Chinese custom-made plastic mold manufacturer, Topworks takes pride in offering our customers the best quality plastic molds made using advanced tech.

With over a decade of experience, Topworks takes on each project with high levels of expertise and dedication. We provide you with a skilled, knowledgeable, and committed staff dedicated to your plastic injection molding needs.

Topworks can manufacture a complete item throughout our manufacturing process, or just parts of a system, regularly or on an ad-hoc basis, and offer custom assembling, stamping, and packaging services when needed and necessary.

All Topworks employees are skilled in their particular design, mold building, and plastic molding, making it possible for us to design, manufacture, and deliver your plastic molding requirements. Our services include prototyping to production to meet each project’s requirements.


China injection molding pros:

  • Price

A lot of plastic injection molding companies in China produce high-quality molds and moulded parts like companies in the United States and Europe, but at substantially lower pricing, typically 30-60% lower than US mold makers.

  • Quality

Some China injection molding is arguably among the very best in the plastic injection molding industry. many companies in China have extensive experience in plastic injection molding and can provide you with extensive knowledge and experience in this area.

  • Flexible work

Lots of plastic injection molding companies in China are capable of providing a wide range of injection molding. Besides making injection molds, those makers also provide a manufacturing service. Those Chinese companies could provide small-scale experimentation and high-volume mass injection production.

  • Fast Delivery

China injection molding lead times are shorter. Normally, it takes 3-8 weeks, depending on the tool size and complexity. The manufacturers can ensure that their molds are processed 24 hours per day, seven days per week, through adequate worker arrangements.

The main China injection molding market region is characterized by a complex supply chain system comprising raw material procurement, manufacturing, logistics, and distribution.

  • Services

Some plastic injection molding companies in China can provide you with the top injection parts and tooling services whenever you want. The Chinese manufacturers will work with you to meet your needs.

Many China suppliers are responsible and responsive to every customer. Local China mold makers play a significant part in helping companies overseas to meet their budget and delivery needs.

It is possible to divert your money to grow your business while maintaining high-quality China plastic injection molding and process standards. 

How to choose China injection molding?

The process of selecting reliable plastic injection molding companies in China can be confusing, as there are so many manufacturers in China, and they are all competing to win clientele. Different China injection molding makers provide various services.

What is the best way to choose a reliable, efficient maker in China? Will those China plastic companies deliver as promised? How about the delivery time, quality, and intellectual property rights? You can find answers to these questions through the following items:

  • With the quotation sheet, you should verify the specifications of the steel insert used for the cavity and the core, the mold life, the number of cavities, the gate, the surface finish, the lead time for T1, the price, the delivery, and the payment.
  • If you are interested in getting a China service, you might want to ask the manufacturers for the DFM report before placing an order. This report will give you more information about those manufacturers. General information concerning properties, such as steel,  shrinkage, feed system, and gate. And if a China manufacturer’s service fits your specifications, you can see how to optimize your part design.
  •  Review the quality system of the maker.
  •  Request references from past customers.
  • Once the DFM and PO are confirmed, injection molders in China will start the design. You may ask those makers to send you the MoldFlow analysis based on the mold design to check the flowability, warpages, etc.
  • After confirming the design, contact your injection molding manufacturer to send you the tooling plan every week. You can also request the steel quality and hardness certificate from your manufacturer to check the steel quality and hardness.
  • After the test, you will need to obtain the test video, the injection molding trial report, and the sample inspection report from the China maker.
  • Please ask your China plastic injection molding supplier to send you the electrode and spare parts drawings and every other technical document before delivery.

Where to find plastic injection molding companies in China?

injection molding development process

It is relatively simple to locate a manufacturer of injection molds in China.

You can search using the terms below: China plastic injection mold, China injection mold manufacturers, Chinese injection molding, Chinese mold manufacturers, etc.

China mold makers can be found on various social networking sites, such as Linkedin, Facebook, and Twitter.

The B2B websites Alibaba, Made-IN-China, Global sources, and others allow you to find China injection mold suppliers and manufacturers. Check out the Trade Shows like Canton Fair or Aisamold for injection mold service China.

In fact, you can find at least twenty of these organizations in the specialized industrial parts of Dongguan city. China at large should be considered as many distinct parts rather than a single large one.

Some areas are known for supplying the most China plastic injection molds. Currently, there is an extensive number of suppliers. If you want to buy China plastic mold, you should seek a supplier located in one of these regions.

China has become the largest plastic consumer in recent years, while at the same time, China is home to the largest injection mold manufacturer with superior service.

China Plastics manufacturers produce a large number of Plastic Injection Molds, thereby creating a large market for acquiring these molds. As China mold factories grow increasingly sophisticated, so suppliers also develop.

At present, the injection mold industry of China has its own distinct characteristics, dominated by the plastic molds produced in Zhejiang, Jiangsu, and Guangdong, which account for 70% of the national total output value, giving them a very competitive advantage.

China’s leader—Guangdong

Guangdong is the most important market for mold products in China and is the largest exporter and importer of molds in the country.

Among China Plastic Molds producers, Guangdong represents more than 40% of the value, especially Shenzhen is leading the domestic market because of its numerical control rate of mold processing technology, manufacturing, professionalism, and standardization.

Due to the further optimization of the structure of Guangdong’s industry, the development of petrochemical, automotive, high-tech, and many other industries, Guangdong has become the world’s largest mold base supplier and Asia’s largest manufacturer.

Guangdong’s mold manufacturing in the coming years will become progressively advanced and complex, providing a better China injection mold service.

Shanghai—The automotive and information industry dominated

According to the Shanghai Mold Industry, there are six major industries and key industries.

It has developed a quality magnesium alloy die casting mold, and a precision injection mold in the IT industry, especially information technology, automotive production, and computer equipment; large die casting molds are used in the automotive industry, and progressive dies are used for precision stamping of precision parts.

Zhejiang – the most ratio of plastic mold

Ninghai is the main plastic mold manufacturer in Ningbo, Beilun manufactures die-casting tools, Xiangshan casts stamps, and Yinzhou manufactures casting and stamping tools.

The plastic molds are the majority of Taizhou’s mold manufacturing enterprises, centred in Huangyan and Luqiao.

Jiangsu—Private operation and foreign investment

Mould enterprises in Jiangsu Province have increased the investment in manufacturing equipment: CNC machine tools are widely used, and machining centers are widely used. Most enterprises have CMM, while WEDM machines are mainly wire cut machines. EDM mostly uses high-precision fixtures with high efficiency. Precision grinding machines such as ultra-precision surface grinders, optical curve grinders, and five-axis coordinate grinders have been widely used in precision mould manufacturing enterprises.

China injection molding
  • 6 tips for buying China injection molding cost-effective

Manufacturers are constantly on the lookout for ways to save money on the parts that are being manufactured. It is rare for a novice company or leader to take everything at face value and expect everything to work perfectly in this industry.

Even though it may seem as if everything in the manufacturing industry is set in stone as far as how profits are made, and how injection molded products are manufactured, some tricks of the trade can be applied to your injection molding business from China. Check out these six injection molding cost-saving tips.

Multi-Cavity Mold

Designing a multi-cavity mold or a family mold can also reduce tooling costs. You may be able to accommodate more than one part in your mold depending on the part similarity, material selection, and processing requirements. Consequently, the tool price will increase, but it will be marginal compared to the expense of cutting a separate tool for each part.

As a result, multi-cavity molding is ideally suited for high plastic production requirements. There is an inverse relationship between the number of cavities in a tool and the number of parts you can produce in each cycle. As this process will result in higher initial costs related to tooling, the long-term result will be a reduction in part prices and overall costs for the company as a whole.

Processes like injection molding are challenging to reduce costs because they are straightforward. On the other hand, professionals say it is possible to reduce costs in many ways.

Be aware of the part size.

To achieve your goal as cheaply as possible, as little material should be used as possible. The cost of an unnecessarily large or complex part will be higher and the cycle time since it takes more time to process and cool. Though a higher strength often characterizes plastics due to requiring more material. Increasing the amount of material used can be avoided to maintain structural integrity.

Insert components

With a bit of planning, you can reuse the same mold multiple times instead of buying a new one for every revision. For example, you can use inserts to create various versions for the tool. Another modification method, known as MUD tooling, creates a small mold encapsulated by the existing mold base. In addition to saving costs, this small mold requires less investment in the tooling. Multiple tools are much more costly than cutting this mold.

Don’t overdo makeup and accessories.

Even though you should not be conservative about the features and cosmetics you add, you should not overdo it. There is no doubt that it is good to have a very aesthetically pleasing part. However, the extra effort required in creating the mold which will be used can sometimes take a huge bite out of your profit margins.

To achieve the cosmetic appearance they desire, a customer who wishes to add additional features to their product might require extra mold work, such as electrode removal, sandblasting, or high polishing. Cost savings efforts may be adversely affected by this extra work.

It is possible to cut injection molding costs if a minor feature, such as company logos or textured surfaces, is unnecessary.

Analyzing the manufacturing process

Even if you can identify potential improvement opportunities in a DFM analysis, working with an experienced partner can save you time and money in the long run. Through its early identification of problems, such as impossible geometries, low draft angles, and moldable components, it will reduce financial and cosmetic expenditures. Topworks plastic mold, for instance, offers expertise and knowledge that assist in improving and perfecting injection molds.

Innovative Mold Design

It is cheaper to work with a molder that will design your molds intelligently. Depending on where your part is positioned in the mold, the cost will be affected significantly. Optimal filling and reduced scrap are the results of part positioning. A part may be designed to eliminate the need for sprues and runners to reduce material usage. Ultimately, this reduces the cost of the part. You can eject your parts damage-free with a smart design.

Using the six tips in this article will help you maximize your injection molding profits from China. It would be beneficial to put all – or even some – of these into practice to reduce costs.