... parts/investment casting/sand casting/ CNC machining DescriptionCNC machining process with sand castingMaterial Cast iron, grey iron, ductile ... JIS,GB,AISI,DIN,etcSurface TreatmentZinc,heat-treatment,powder,nickel,chrome,sliver,polishing,T4,T6,etcEquipmentsPressing machine, ... orderWe welcome small ordersCompany introductionDalian Wills Machine Co. Ltd. is a private owned company specialized in supplying ...