Product of Stamping&Welding A leader & a 12 years experienced manufacturer Metal stamping OEM/ODM. Perform:EN ISO 9000 products of WeldingAuto Seat parts2.Material - stainless steel,carbon steel,hot rolled steel , copper, iron,etc.3.Making process--Punching,stamping,bending,welding,riveting4.Surface treatment --galvanized ,copper plated , chrome plated, electroplated and so on.5.Serve type --( ...