Hey, I’m Barry Zeng. I’ve been bending metal, cutting steel, and trying to figure out why engineers design impossible parts for the last 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory. And if there’s one thing I’ve learned,…
Introduction: The Steel Behind the Spark Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. You know those metal brackets, enclosures, chassis, and panels that hold your electronics together, keep your car’s wiring organized,…
Introduction: When Your Machine Breaks, We’ve Got Your Back Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Picture this: it’s 4:30 PM on a Wednesday. Your production line grinds to a halt because…
Introduction: The Versatility of MIG Welding in Sheet Metal Fabrication Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. In the world of Sheet Metal Fabrication, one question I hear constantly is: “What metals…
Introduction: Why MIG Is the First Choice for Sheet Metal Spare Parts Welding Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. In years of sheet metal fabrication, I deal with Sheet Metal Spare…
Introduction: The Hidden Cost of Weld Distortion Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve welded thousands of Custom Sheet Metal Assemblies — from small brackets to large enclosures.…
Introduction: The Hidden Link Between Cutting Settings and Assembly Success Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen countless sheet metal projects where the laser‑cut parts look fine — until assembly.…
Introduction: Why Enclosure Design Matters Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve helped clients design and fabricate thousands of sheet metal enclosures — for electronics, medical devices, industrial…
Introduction: Three Cutting Technologies, One Factory’s Perspective Hi, I’m Barry Zeng from Shanghai Yunyan Prototype & Mould Manufacture Factory — a real sheet metal fabrication factory based in China. Every day, our workshop runs fiber lasers, plasma tables, and waterjet…