... 1T/2T/5T Drop forging equipment, CNC-machine, machine-center4) We can do different kinds of surface treatment after forging, such ... properties & heat treatment: According to your requirements. The material we usually used for such parts are: 42CrMo, 45#, 20#...8)Certificates: ... ISO9001, DNV, GL, ABS, CS^9) We quote and produce according ...