... Various material of stainless steel, cold roll material are ... Material: cold rolled steel,stainless steel,galvanized steel,copper ,brass.6. Equipment: 25-400ton punching machine, CNC machining ... , milling, turning, lathe cutting, planning machine, heat treatment machine, varnish baking7. Finish: zinc plated, chromate plated, powder coating etc.8. Part ... is: supply high quality products at most ...