Stamping Part Material:Carbon Steel,Stainless Steel,AluminumSteel ST:Plain,EG,HDG,BlackOxide,YellowZinc,Dacromet,Geomet Stamping Part1. Place of Origin: Tianjin, Mainland of China2. Material: Carbon Steel3. Surface Treatment: GeometCXS Stamping Parts Series1. Material: Carbon Steel, Stainless Steel, Aluminum Steel. 2. Surfase Treatment: Plain, Black Oxide, E.G., H.D.G., Yellow Zinc, Dacromet, ...