Recently, the supply and demand of liquid caustic soda market in Sichuan region have been smooth. The mainstream factory price for 32% liquid caustic soda is 3,600-3,700 yuan/ton (discounted); the mainstream factory price for 50% liquid caustic soda is 3,700-3,800 yuan/ton (discounted), with some enterprises having higher factory prices. The local caustic soda production facilities operate steadily, with stable output and reasonable inventory. The main downstream aluminum oxide market is stable, purchasing caustic soda according to demand. With the increase of downstream stockpiling before the holiday, the transaction of caustic soda in the province proceeded smoothly.