Stainless steel process, machining Deep drawing, sheet metal,welding,finishing 8 years' OEM experience for worldwild Shanghai Donghai stainless steel factory offersOEM service for world wide.We have OEM experience for more than 8 years.WE DO: Sheet metal (plasma cut, laser cut,etc )Deep drawing (500 ton hydraulic machine, lathe,planer,miller,etc)Welding (butt welding, spot welding, Argon Arc ...