... roll steel, stainless steel, SECC material, galvanized steel, Aluminum, etc.; 2.sheet metal progress ... machined parts,welcome to contact mesheet metal stamping1.Material:cold roll steel, stainless steel, SECC material, galvanized steel, Aluminum, etc.2.Process: ... , like tooling manufacturing, stamping and surface treatment service3) Cavity/core material: DIN1.2344, 738H, 718, 8407, S136, NAK80,P20, ...