已经有次观看 wencong在2013-08-01发布

Channel：Tungsten 标签： Yongzhou  Dao  County,  Tungsten  ore 

简介：Yongzhou mineral exploration came Herald: Vision Tongshanling mineral resources survey project focuses on mining - Dao County Weijiade tungsten polymetallic mining exploration a major breakthrough, a potential economic value of $ 50 billion of this very large tungsten mine shaking come out.