Copper turning parts: 1. tolerance: +/-0.01mm 2. OEM orders welcomed. 3 ... sample for stamping 4. 14 years specialized OEM copper turning parts:Material: brass ,steel, Iron, copper, aluminumFinish: plating of ... formingMain products: stamping parts, metal stamping, stamped parts,stamping, metal stamping parts, stamped metal partsEquipment: punching machine, lathe ,cold forming machine, deep drawn ...