... coating, painting, powdering, color zinc-plated, blue black zinc-plated, rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing ... CNC/AUTO lathe, springs, shafts, screws, stamping parts and other metal parts. Our main production modes are designing and proofing based ... be free to contact with us : stainless steel shaft and metal bar roller