The vice general manager WangXiaoJun (first from left) by 2010, a 12 August in luoyang "refractory high temperature abrasion resistance testing methods of international standards (ISO) seminar"
The vice general manager WangXiaoJun (first from left) in 2010 in luoyang on August 12 The refractory high temperature abrasion resistance testing methods of international standards (ISO) seminar"
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