Headquartered in the National Ningguo Economic and Technological Development Zone, Anhui Sierte Fertilizer Industry Co., Ltd. is a modernized high-tech listed company (stock code: 002538) specialized in the R&D, production and marketing of phosphate compound fertilizer, controlled release fertilizer, special soil testing formula fertilizer, ecological fertilizer, organic and inorganic fertilizer and new fertilizer. It has fertilizer production bases in Ningguo, Anhui Province, Xuanzhou, Bozhou and Guizhou Kaiyang as well as Xuanzhou Maweishan pyrite and Guizhou Kaiyang phosphorus mine.