Southwest China (12.16-12. The market price of concrete in Sichuan is stable but the demand is reduced; Chongqing is affected by raw materials and demand, the price of concrete is weak, and the price of cement shows signs of rising but the impact is to be determined; In Yunnan-Guizhou region, the implementation of some cement price increases in Yunnan is not good, the civil demand is weak, the shipment is poor, the commercial mixed market is weak, the price of concrete in Guizhou is stable, there is a slight possibility of loosening, the market demand is only 2-3% of the normal level, the price of cement is loose, and the overall concrete market is weak.