已经有次观看 wencong在2013-07-10发布

Channel：Rare Earth 标签： Rare  White  Paper 

简介：White Paper shows that after half a century of mining super strength, China reserves of rare earth resources and protection of life continue to decline, decay accelerating major mining resources, the original mining resources are mostly depleted. Rare earth mining, smelting, separation exists backward production techniques and technology, but also cause serious damage to the ecological environment.