1.Material:cold roll steel, stainless steel, SECC material, galvanized steel, Aluminum, etc.; 2.sheet metal progress sheet metal stamping we are specialized in all kind of machined parts,welcome to contact mesheet metal stamping1.Material:cold roll steel, stainless steel, SECC material, galvanized steel, Aluminum, etc.2.Process: stamping, bending, welding, punching, deep drawing, spinning3. ...