1.Rich Production Experience 2.OEM service 3.Good quality and Competitive price 4.ISO9001 5.Package: client request 1. We can do different kinds of surface treatment after casting, such as machining, polishing, plating, and can supply carbon steel, stainless steel and alloy steel precision casting part.2. We make them by precision casting and investment casting process in Shandong, China ( Valve ...