truck front axles Type: cold forging product for benz, volvo ect. ... advanced testing machine2)process making mould, induction heating, forging rolling , forging, trimming/correction, integrated heat treatment, MPI shot ... blasting3) materialstainless steel , carbon steel , alloy steel20CrMoTi, 34CrMo, 42CrMo, 20NiCrMo, 35CrMo, 40CrMnMo,4 ...