... can coopperate.The following is the details of our factory.1)deviceprecision turning machine for making mould , drop forged, , die forging ... steel20CrMoTi, 34CrMo, 42CrMo, 20NiCrMo, 35CrMo, 40CrMnMo,4)standardASTM, ASME, DIN heavy duty truck front axle