... . Provide OEMLost Wax Process: Wax Injection, Wax Welding, Shell-Making, Dewaxing, Pouring, Sand Cleaning,Gas Cutting,Grinding, Heat Treatment, Shot Blasting, Reshaping,Machining2Materials ... iron, cast steel, pig iron, grey iron, ductile cast iron and so on 3) Mature Quality Control System; Has obtained international ...