Pump casting 1.Cast iron&cast steel,bronze, ... 3.Sand cast,lost wax casting 4.ASTM,DIN,JI Pump castingCasting Material: iron, gray iron, ductile iron, steel, ... mouldingLost wax casting(Investment casting)Electric-furnace smelting Contact:Mr.XuekuiDevelopment managerDalian Shipbuilding Import Export CompanyRms.2208 Dalian World ... .: 86 411 82530406-16Fax: 86 411 82530206 Pump shell & case casting