... ,boring etc. 2.High quality 3.Low price Machining Parts for Oil Production Industry 1. Fully Machining Services2.Various Machining Materials3.Advanced ... , Teflon Coating, TiO2 Coating, Silver Plating, Nickel Plating, Polishing, Anodizing,Sand Casting, Heat-Treatment.Tolerance/ Precision± 0.002mmEngineering Design CapabilitySolidworks, AutoCAD ...