Peb xaiv cov khoom zoo 42CrMo thiab 40CrNiMo alloy steel cov ntaub ntawv, siv CNC tsis siv neeg cov cuab yeej ua haujlwm los xyuas kom meej cov khoom raug thiab cov kev xav tau zoo, xaiv cov kua quenching txawv teb chaws thiab kev kho cua sov tshwj xeeb, thiab txhim kho kev pab cuam lub neej thiab kev ruaj ntseg ntawm chisels.