专业从事于:SUS440C,SUS630,SCM440,SNCM439,4340 我们的宗旨:①以精品回报客户,以诚信实现双赢;②顾客满意是我们永恒的追求! 合结钢:(国标)15CrMoA 20CrMoA 30CrMoA 35CrMoA 42CrMoA 20CrNiMoA 40CrNiMoA; 合结钢:(美标)4118 4130 4135 4140 8620 4340 4130H 4135H 4140H 8620H 4340H; 合结钢:(日标)SCM415 SCM420 SCM430 SCM435 SCM440 SCM21 SCM22 SCM3 SCM4 SNCM220 SNCM439 SNCM8 SCM415H SCM420H SCM430H SCM435H SCM440H SNCM220H SNCM439H; 碳结钢:(美标)1010 101...