... steel, ductile iron, grey iron, alloy steel, aluminium, copper, bronze,brass, etc5.Application:Valve parts6:Workcraft :Precision casting, sandcasting, investment casting,forging,CNC ... ):service provided:a) source selectionb) design and engineeringc) quality control and inspectiond) ordering and warehousinge) packing and deliveryWills machine characteristic 1, For the new ...