... High Production Efficiency We are specialized in producing kinds of precision casting spare parts.Main Product:stainless Steel ... CNC Machining Parts etc.Material: ductile Iron,carbon steel, alloy steel, stainless steel, aluminum alloy, zinc alloy, brass, gray iron ... grinding, threading, CNC machining, etc.Finishing: sand blasting, polishing, plating, acid treatment, anodizing, painting and PVC powder ...