The Dulong tin deposit is the largest Sn, W polymetallic deposit in Laojunshan, southeastern Yunnan and is also one of the three large tin bases in China.
都龙锡矿床是中国三大锡矿基地之一——滇东南老君山锡、钨多金属成矿区中最大的矿床。
The Laochang Tin Mine is the mainstay of China 'Tin Base Yunnan Tin Industry Corp.
老厂锡矿是中国最大锡都云南锡业公司的支柱矿山。
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