Wuhan Hanye Chemical New Material Co., Ltd., is a fine chemicals enterprise that produces hypophosphorous acid and its salts, such as calcium hypophosphite, magnesium hypophosphie, aluminum hypophosphie, they are widely used in the coating, pharmaceuticals, high-effectiveness fertilizer, chemical plating and compounding flame retardant industries. some of them are sold to Germany, Russia, South Korea, Malaysia, etc. Aluminium dihydrogen phosphate, has contributed to the development of silicon steel of our country.