... ISO system certification. 2.Material:Stainless steel,Carbon steel. 3.OEM/ODM orders are welcome. Cnc Lathe Part Products pictures : We ... C3602, C3604, lead-free, Etc) , aluminum( 6061,6063 Etc.) , steel, etc. 4) Finish: Anodized, Polishing, zinc plated , nickel plated , ... car, bike , computer, optical fiber products , medical equipment, mobile phone, Camera ,gas stove, gas heater, furniture etc. bolts ...