... , brushing, power coating, vacuum vapor deposition (PVD), etc.Metal Process: stainless steel, carbon steel, steel, aluminum alloy, brass, copper ... grinding, rolling, stamping, cold drawing, bending, spinning, forging, etcOEM service availableNingbo Yinzhomu Hishen Hardware Co.Ltd.Add No.:279 Block ... : 0086-574-88454438Website: www.hi-shen.com Precision CNC copper parts, machined parts machining service