已经有次观看 wencong在2013-07-08发布

Channel：Tungsten 标签： Tungsten  ore,  investment 

简介：Tungsten and Tungsten price slump cut underpowered upstream and downstream demand rapid decrease related. "Tungsten production for 5 per month are more than ten thousand tons in the first half of tungsten production over last year's 10,000 tons, the upstream supply than the larger," said Wang Dong.