OEM hardware spare part: material:carbon steel High quality,best price finished:plain,zinc/nickle plated ISO9001:2008 OEM hardware spare ... etc. Process auto lathe, CNC maching,Stamping,Die casting etc Surface treatment According to the drawings, anodizing,polishing ... stop service from tooling design, mold flow simulation, die casting technic analysis, CNC machining, surface treatment, inspection and ...