No. 6555 Songze Avenue, Chonggu Town, Qingpu District, Shanghai, China

How to Reduce Costs on Sheet Metal Parts
Hey, I’m Barry Zeng. I’ve been making sheet metal parts for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and if there’s one key lesson I’ve learned, it’s this: most people pay way too much for their fabricated…








