供应1J32软磁合金/坡莫合金
1J221J321J331J381J421J461J471J501J511J521J541J781J791J801J821J851J861J1161J1171J061J161J181J361J401J871J921J941J95)
主营：模具钢，工具钢，特殊钢材
| 业务 QQ： | 905919603 |