Profile: Aoqi Shijiazhuang Chemical Co., Ltd. is a manufacturer of basic organic & inorganic chemicals, dyestuffs and fertilizers. Our products are used in paint & coating, food additive, water treatment, feed and fertilizer industries. Our inorganic chemicals include sodium tripolyphosphate, caustic soda and aluminum sulfate. Sodium tripolyphosphate is a white powder, which is soluble in water. It is an inorganic surface active agent, which is used as an auxiliary for synthetic detergent, synergist for soap, water softener & tanning agent for leather making. It is also used as a dispersion agent for suspensions of coatings. Caustic soda is a colorless crystalline in the shape of flakes and blocks. It is the main raw material in the production of soap. It is used to remove acids in oil and to improve the smell & color of oil & petroleum products.