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  China Sand and Stone Association leaders went to Shandong Lijian Industrial Sand Technology Co., Ltd

  On the afternoon of September 29, participants from China Sand and Sand Association Pres

  2018-01-29

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  Show the company style, enrich the life of workers

  In order to enrich the cultural life of staff, enhance the collective concept, increase t

  2018-01-29

• 2018-01-29 China Sand and Stone Association leaders went to Shandong Lijian Industrial Sand Technology Co., Ltd +

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