1.OEM precision casting with ISO/TS 16949 certificate. 2.Material stainless steel,alloy steel,carbon steel,WCB 3.CNC machining With Prompt Delivery and ... Drilling, Grinding, Threading, CNC Machining, etc. 3. Finishing: Sand Blasting, Polishing, Plating, Acid Treatment, Anodizing, Painting and PVC Powder Coating 4 ... our good quality, competitive price and best service customized investment casting