... 2\ material :S136 3\ heat treatment 4\ precision 0.01mm 5\ sandblasting 1\ high precision metal fixture : precision 0.01mm2\ ... bright silver color . high precision , excellent quality ,fast delivery time4\ ISO 90015\ our company is specialized in machining all kinds of ... USED MATERIALAustenitic Steel SUS303, SUS304 Cold Work SteelDF-2,XW-5, XW41, SKD11High Speed SteelHSP-41,ASP-23, A2, A6Martensitic ...