Seat Frame -Auto Parts Production of stamping,welding parts, Design customized available EN ISO 9001:2008 Products of Welding,Metal Stamping ProductsAuto Parts-Auto Seat PartsMaterial - stainless steel,carbon steel,hot rolled steel , copper, iron,etc.Making process--Punching,stamping,bending,welding,rivetingSurface treatment --galvanized ,copper plated , chrome plated, electroplated and so on. ...