Hey, I’m Barry Zeng. I’ve been making sheet metal parts for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and there’s a question I get asked at least once a month: “Barry, can I avoid the engineering costs?”…
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: Taking Sheet Metal from Functional to Exceptional Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve seen countless Sheet Metal Manufacture projects where the fabrication was flawless — but…
Introduction: The Complete Solution for Durable Metal Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. For over 17 years, we have been delivering high-quality Precision Sheet Metal Fabrication services to clients across…
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: 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…