Jinhe Sodium Hydrosulfite Factory Co., Ltd. was established in June, 1990, with export authority, the main product is GU JIN brand sodium hydrosulfite and sodium sulfite. The capacity of sodium hydrosulfite is 100000mt per year, annual revenue is USD120 million, including export value USD30 million. Jinhe Sodium Hydrosulfite Factory Co., Ltd. is the member of National Technical Committee on Dyestuff of Standardization Administration of China and member of National Technical Committee on Chemicals of Standardization Administration of China, inorganic chemicals branch. Through years of unremitting technical innovation, Jinhe Sodium Hydrosulfite Factory Co., Ltd. owns all the technologies in sodium hydrosulfite, have 5 national invention patent in core technologies, participated in the drafting of 3 national standards on sodium hydrosulfite, and is leading the development trendcy of world sodium hydrosulfite industry.