B23,17MnCr5,B24轴承钢，厂家直销
￥10
TU1.C1020.C10200铜合金，厂家直销
G15270,G15360碳素钢，厂家直销
TB1,TB2,TB3,TC1钛合金，厂家直销
4J46 4J47 4J49软磁合金，厂家直销
70 ，70Mn ，75琴钢线，厂家直销
2117,2218,2219,2024铝合金
1J18 1J22 1J30 1J31软磁合金
Al99.70E,Al99.65E铝合金，厂家直销
