... rolled steel,stainless steel,galvanized steel,copper ,brass.6. Equipment: 25-400ton punching machine, CNC machining, milling, turning, ... machine, varnish baking7. Finish: zinc plated, chromate plated, powder coating etc.8. Part can be supplied according to customers' ... line, cold punching line. More than 1600 advanced machines for punching, turing, milling, maching, weld, galvanizing, heat treatment ...