... ,boring etc. 2.High quality 3.Low price Precision Machining Parts for Oil Petroleum Production Machine 1. ... Nickel Plating, Polishing, Anodizing,Sand Casting, Heat-Treatment.Tolerance/ Precision± 0.002mmEngineering Design CapabilitySolidworks, AutoCAD.Manufacturing EquipmentsCNC 5 Axis, ... Co., Ltd. is a professional factory which in precision machining, processing for more than 5 years already. ...