According to the statistics of Cement Big Data Research Institute, as of January 23, there is no city where the price of natural sand (medium sand) has changed compared with the previous period; there is Changchun where the price of machine-made sand (medium sand) has changed compared with the previous period; there is Changchun where the price of crushed stone (13 stone) has changed compared with the previous period. See the following table for detailed data information. For more data, market analysis and research reports, please visit Cement Big Data (https://data.ccement.com/)...
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