... Finishing→Heat treatment→Non-destructive→Inspection→Welding→TestStandardASTM, ANSI, DIN, GB, NF, ISO, BS, JISCasting processwater-glass ... steel, carbon steel, low alloy steel, ductile iron, gray cast iron, aluminum alloy InspectionUltrasonic test, magnetic particle test, tensile ... customers.We are manufacture which mainly produces pump parts, valve parts, cylinder parts, tractor parts, lathe body, ...