合金钢
34CrMo4RR35B3RR42CrMo4RR50CrV4RR55Si7RR75Ni8RR100Cr6RRP265NJ2P265NJ4P285NJ2P345NJ2P345NG2P345NGJ4P40NGJ2P40NGJ4P400NJ4P460NJ225CrMo425CrMoS428Mn630CrNiMo834Cr434CrMo434cR)
主营：拉力钢，易车削钢，合金钢材，碳结钢，高工钢，高速钢，工具钢
| 业务 QQ： | 1254921811 |