Profile: TianJin KaiYi Chemical Industry Factory offers protopine, solid caustic soda, calcium chloride, magnesium chloride and liquid chemical products. Our products include calcium carbonate, caustic soda solids, sodium bicarbonate, caustic soda pearls, caustic soda flakes, magnesium sulphate, sodium sulphate anhydrous, sodium sulfide and sodium metabisulfite food grade. We are fully equipped with modern production equipment and scientific management methods. We export our products to various countries worldwide.