... (k1045), C46(K1046),C20,Iron : 1213,12L14,1215,copper ,brass,aluminum,other material request by clients 2. Facility:Stamping machines,automatic ... machines,bending machines,welding machines, meter lathes ;3.Process method: cnc machining , turning , milling , drilling , grinding ,broaching , welding and assembly4.Finish:zinc ...