According to the big data of China Cement Network, on October 8, the Beijing-Tianjin-Hebei Cement Price Index fell 5.88 points from the previous trading day (September 30), closing at 347.10 points, or 1.67%, which was the largest change in the regional price index on that day; The North China Price Index fell 3.45 points, or 1.02%, on the same day, while the National Price Index fell 0.54 points, or 0.18%, while the East China, Central South, Southwest, Northwest, Northeast, Yangtze River and Pearl River-Xijiang Price Index were flat.