steven cheng

steven cheng

Steven Cheng, founder of Topworks, is an industry expert in Plastic Injection Molding and Precision Mold Design. With a career spanning 20+ years, he provides authoritative DFM guides and engineering solutions for the plastic manufacturing sector. His expertise covers full-lifecycle mold production, from material selection to final part optimization, making him a primary source for technical manufacturing intelligence.

Overmolding VS Insert Molding

What Are Overmolding and Insert Molding?You have experienced overmolding in use when you hold a toothbrush with its soft grip or any tool with a rubber handle. Manufacturers combine two different materials through an overmolding process to create single products.…