... Certified 4)ERP system 5)lost wax casting Investment Casting Products Material and equipments:Material:various kinds ... ..Casting:Silica sol lost wax casting(precision casting,investment casting),Sand castingMachining:CNC lathe,four-axis milling ... strength tester,hardness tester,projector etc.Company profile:Production Rangecopper alloy casting, forging ,investment/precision machining,silica lost wax ...