... in producing kinds of precision casting spare parts.Main Product:stainless Steel casting, Lost Wax Casting,Investment Casting,Heat Sand Core ... Part, ,CNC Machining Parts etc.Material: ductile Iron,carbon steel, alloy steel, stainless steel, aluminum alloy, zinc alloy, brass, gray iron......Standard: ASTM ... design)CertificateISO 9001-2008 Standard investment casting for carbon steel/stainless steel