... .46 years of experience in metal processing, especially in stamping parts, sheet metal parts, and machinery parts.2. Professional support on technical3 ... rolled steel,stainless steel,galvanized steel,copper ,brass.6. Equipment: 25-400ton punching machine, CNC machining, milling, ... parts. We have own professional mould development, assembly line, cold punching line. More than 1600 advanced machines for ...