carbon steel casting & investment casting, Pump Body.Iso9001,TUV-PED,BVcertified foundry. Strong machining capacity. PUMPBODY.carbon steel casting & investment casting. Iso9001,TUV-PED,BVcertified foundry. Strong machining capacity. OEM services are available.Details:1) Lost Wax Process: Wax Patterns, Sand Shell Making, Dewaxing, Pouring, Sand Cleaning, Gas Cutting,Grinding, Heat Treatment, Shot ...