升级到高级会员并解锁额外的福利. 更多详细资料
加入我们,关注您的公司成长! 成为全球1万多家金属材料公司的一分子 更多详细资料
Exporter and supplier of copper scraps, copper metal scraps, non ferrous copper scrap...
Materials & Chemical Composition: Grade 1 / Grade 2 / Grade3 / Grade4—Unalloyed ti...
Copper cathode specification: Minimum Copper (Cu) purity 99.99%, premier degree Shee...
Technical conditions for plates of 13MnNiMo5-4 1. Scope The technical conditions...