1. OEM 2. ASTM certificate 3. Wire dia: 0.5-500mm 4. Plating (zinc, nickel, chrome, etc.) 5. Material: stainless steel. Hot-selling Hardware Parts 1 ) Main production equipment:CNC turning and milling machine, automatic lathe machine, thread rolling machine, drilling machine, tapping machine, etc 2 ) Measuring & testing equipment:Measuring Projector , concentricity tester, hardness tester, ...