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QINGDAO HAIWAN CHEMICAL CO.,LTD  
 QINGDAO DONGYUE SODIUM SILICATE CO., LTD. (QDSS in short hereinafter) was established in1943, it is the largest, most various, most historic specialized company for dissoluble silicates, it is also the only enterprise who is operated by state...    - 27 July 2017 Thursday 09:53 PM
  (), ;  QINGDAO HAIWAN CHEMICAL CO.,LTD | Tags: SODIUM SILICATE, SODIUM METASILICATE, SODIUM METASILICATE PENTAHYDRATE