... steel,copper ,brass.6. Equipment: 25-400ton punching machine, CNC machining, milling, turning, lathe cutting, planning machine, heat treatment machine ... Finish: zinc plated, chromate plated, powder coating etc.8. Part can be supplied according to customers' drawings or samples.Rizhao ... a leading manufacturer and good supplier in China of machining parts and stamping parts. We have own professional mould ...