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云南锡业公司是一个以锡为主、综合回收其它有色金属的矿冶联合企业,其中第一冶炼厂和第三冶炼厂,分别承担锡精矿、富中矿和贫中矿的冶炼任务,除产精锡(特零号,特一号、一号、二号、四号锡)、焊锡(块、条、丝)外,还附产粗铅、白砷、硫酸铜、精铟、
Yunnan tin company is a tin-based, comprehensive recovery of other non-ferrous metals mining and metallurgical joint ventures, including the first smelter and the third smelter, respectively, to undertake the tin concentrate, rich ore and poor mine smelting tasks, In addition to producing refined tin (special zero, special one, one, two, four tin), solder (blocks, strips, silk), but also with crude lead, white arsenic, copper sulfate, refined indium,