According to the statistics of Cement Big Data Research Institute, as of December 12, the cities in which the price of natural sand (medium sand) has changed compared with the previous period are Fuzhou and Guiyang; the cities in which the price of machine-made sand (medium sand) has changed compared with the previous period are none; the cities in which the price of gravel (13 stone) has changed compared with the previous period are Shijiazhuang, Changchun, Shanghai, Nanjing, etc. 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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