Introduction: Quality Starts with the Mold Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. For over 17 years, I have designed, built, and optimized thousands of Injection Molds. A high‑quality mold is the…
Introduction: The Backbone of High-Volume Metal Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve designed and built hundreds of high-performance tools, specifically focusing on the metal die casting…
Introduction: The Foundation of Rotomolded Products Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve designed and built hundreds of Rotational Molding Molds — ranging from large water tanks…
Introduction: Why Silicone Molds Are Essential for Critical Applications Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve designed and produced hundreds of Silicone Molds for clients in medical…
Introduction: The Backbone of High‑Volume Metal Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve designed and built hundreds of Die Casting Molds for clients in automotive, electronics,…
Introduction: The Upfront Cost That Pays Dividends Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, I talk to clients who hesitate at the upfront cost of Custom Injection Molds. They see…
Introduction: Every Second Saved Is Profit Earned Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve optimized hundreds of Injection Molding processes — shaving seconds off cycle times while…
Introduction: Why Mold Prices Vary So Widely Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, I receive RFQs for injection molds with prices ranging from $3,000 to $80,000 — for seemingly…
Introduction: The Right Partner Makes All the Difference Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve seen customers struggle with poor‑quality rotomolding molds — warped parts, short mold…
Introduction: Precision That Drives Performance Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve designed and built hundreds of Custom Injection Molds for the electronics and automotive industries. These…