无锡川铁金属材料有限公司
主营:SAE1020 S20C+CK22 C22 SAE1045 S45+S45C C45E CK45 SUJ2+40CR 100CR6 65SI7+SAE5120 SCR420 20CR4+SAE5140 SCR440 41CR4+Y15PB 12L14 1215+20CRMO 30CRMO 42CRMO+11SMN30 11SMNPB37+SAE 4130 4140 4135+SCM420 SCM4
主营:SAE1020 S20C+CK22 C22 SAE1045 S45+S45C C45E CK45 SUJ2+40CR 100CR6 65SI7+SAE5120 SCR420 20CR4+SAE5140 SCR440 41CR4+Y15PB 12L14 1215+20CRMO 30CRMO 42CRMO+11SMN30 11SMNPB37+SAE 4130 4140 4135+SCM420 SCM4