According to the big data of China Cement Network, on September 30, the Central Plains Cement Price Index rose 3.49 points from the previous trading day, closing at 306.83 points, an increase of 1.15%, higher than 0.88% increase of the National Cement Price Index in the same period, ranking third in the regional index on that day; On the same day, the Yangtze River and East China rose slightly by 0.19% and 0.17%, while the Northeast, North China, Northwest, Beijing-Tianjin-Hebei were flat, and the Southwest fell by 1.03%.