Recently, the caustic soda market in Hebei region has partially increased, with both ups and downs in Cangzhou area. The mainstream factory price for 32% liquid caustic soda is 800-960 yuan/ton; while in Tangshan and Hengshui areas, it has increased by 110-130 yuan/ton, with the mainstream factory price for 32% liquid caustic soda being 1050-1150 yuan/ton. The local caustic soda production facilities operate stably, with liquid caustic soda production remaining unchanged and inventory at a reasonable level. The downstream aluminum oxide market remains stable, with companies purchasing caustic soda according to demand. The chemical and textile markets are normal, with companies using caustic soda immediately after purchase. As the neighboring caustic soda markets have increased, the local transaction prices have followed suit.