一、基本情况 我国的锡金属储量名列世界前茅,是我国矿产资源的一大优势。金属锡远销世界各地,曾是我国主要的出口金属之一,在国际市场上享有很高声誉。 解放以来,我国锡工业有了很大发展,国家先后对云南锡业公司进行了大量的基本建设投资,使云锡逐步建设成为一个以锡为主综合回收其它有价元素的大型采、选、冶 First, the basic situation China’s tin metal reserves in the world, is a major advantage of China’s mineral resources. Metallic tin is exported all over the world and was once one of the main export metals in our country. It enjoys a high reputation in the international market. Since the liberation, China’s tin industry has made great progress, the state has a lot of tin companies in Yunnan’s capital construction investment, so that the gradual construction of a tin-tin to a comprehensive recovery of other valuable elements of large-scale mining, election, Ye