已经有次观看 wencong在2013-07-12发布

Channel：Tungsten 标签： tungsten,  Rare  earth,  QC 

简介：September 13, 2010, located in Jiangxi Ganzhou tungsten and rare earth products National Quality Supervision and Inspection Center successfully passed the AQSIQ organized on-site inspection, to become the country's most authoritative tungsten, rare earth products quality supervision and inspection agencies.