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 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 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 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: Why Most Sheet Metal Parts Cost More Than They Should Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past 12 years, I’ve reviewed thousands of Sheet Metal Part designs —…
Introduction: Choosing the Right Material for Your Sheet Metal Project Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, clients ask me: “Which material should I use for my sheet metal part…
Introduction: Why Most Quote Requests Get Delayed — And How to Avoid That Hi, I’m Barry Zeng from Shanghai Yunyan Prototype & Mould Manufacture Factory, a manufacturing factory specializing in CNC machining, 3D printing (SLA/SLS/FDM), and sheet metal fabrication. Every…
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…
Introduction: A 0.1mm Difference – Worlds Apart In sheet metal fabrication, the accuracy of laser cutting directly determines the success of subsequent bending, welding, and assembly. A 1000mm square panel with a diagonal error exceeding 0.5mm will cause gaps after…