Introduction: The Finishing Touch That Transforms Metal Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve seen countless Sheet Metal Spare Parts projects where the fabrication was absolutely perfect…
Introduction: The Challenge of Repairing Thin Metal Components Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When a machine breaks down and you need to repair or replace a sheet metal spare parts,…
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: The EV Revolution Demands Better Materials Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past five years, electric vehicle (EV) manufacturers have pushed us to rethink traditional Sheet Metal Enclosures…
Introduction: Why Bend Radius Matters More Than You Think Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, I review sheet metal designs where the inside bend radius is too small —…
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…
Introduction: Why Surface Treatment Matters Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen beautifully fabricated sheet metal parts rust within weeks because the wrong surface treatment was chosen — or none…
Introduction: Why Tolerances Make or Break Your Sheet Metal Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve seen countless Sheet Metal Custom Fabrication projects delayed or over budget…
Introduction: One Drawing, Three Quotes, a Three‑fold Difference Last month, Mr. Zhang, a purchasing manager at a smart device company, sent us a drawing of a sheet metal enclosure – dimensions 300×200×50mm, material SECC, thickness 1.2mm. He requested quotes from…
Introduction: The Cost of a “Mirror” Surface Last year, our received an order for a batch of high‑end medical equipment enclosures – 316L stainless steel, requiring a 4K mirror finish with no scratches, fingerprints, or welding discoloration. The customer was…