Recently, the Beijing Municipal Market Regulatory Bureau released the results of spot checks on construction and decoration materials. This time, 10 kinds of materials were sampled and 14 batches were found to be unqualified, involving 3 batches of cement. Among them, the quality of cement products produced by Tangshan Aocheng Cement , Yutian Chuncheng Cement and Tangshan Hongsheng Cement Economic and Trade Company is not up to standard. Nonconformities include chloride ion, fineness and magnesium oxide of cement.
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