Recently, the market of caustic soda in Shanxi is stable. It is understood that the load of caustic soda facilities in the province is stable, the output is stable, and the enterprise inventory is at a reasonable level. The downstream alumina market is normal, and enterprises purchase caustic soda according to their needs. In addition to the local caustic soda enterprises supplying liquid alkali, some liquid alkali comes from neighboring provinces. The local caustic soda market is sufficient in supply, and the supply and demand pattern is relatively fixed, so the transaction price remains unchanged.