Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and if there’s one thing that’s genuinely changed how I think about mold making, it’s 3D printing. I still remember the…
Hey, I’m Barry Zeng. I’ve been designing and building injection molds for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and if there’s one design mistake I see over and over, it’s this: people forget about draft angles.…
Hey, I’m Barry Zeng. I’ve been designing and building injection molds for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and if there’s one thing I’ve learned, it’s this: a bad part design will ruin your project before…
Introduction: The Steel Behind the Spark Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. If you’ve ever had to order replacement parts for a product — or if you’re planning to produce a…
Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. If you’ve ever looked at a plastic part — a gear, a housing, a connector, or even a toy — and thought, “How do they…
Introduction: The Little Cap That Could (And Does, Billions of Times) Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Raise your hand if you’ve ever opened a plastic bottle — water, soda, shampoo,…
Introduction: The Little Plastic Heroes Keeping Your World Running Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. You know that weird plastic gear inside your coffee maker? Or the little clip that holds…
Introduction: Choosing the Right Manufacturing Process Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past 17 years, I’ve helped hundreds of clients decide between two of the most common manufacturing processes:…
Introduction: The Spare Parts Dilemma Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, I help clients produce Custom Non-Standard Spare Parts — components that are no longer available from the original…
Introduction: The Right Material Makes All the Difference Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. For over 17 years, I have helped clients select the optimal materials for their Injection Molding Spare…