Anhui Sierte Fertilizer Industry Ltd., Company, together with its subsidiaries, engages in the research, development, production, and sales of compound and special fertilizers in China and internationally. It operates in three segments: Chemical Fertilizers, Mining, and Medical Services. The company offers phosphate compound fertilizer, water-soluble, compound microbial, organic-inorganic compound, bio-organic, and organic fertilizers, soil conditioners, microbial agents, and chemical fertilizer by-products. It also produces and sells sulfuric acid, monoammonium and diammonium phosphate, potassium sulfate, synthetic ammonia, ammonium carbonate, para-hydrochloric acid, iron powder, and phosphogypsum; trades agricultural films, machinery, and tools; imports and exports raw and auxiliary materials, instruments, meters, mechanical equipment, spare parts, and technologies; processes supplied materials; and designs, produces, and publishes image and product advertisements. In addition, it mines, processes, and sells phosphate rock, pyrite, kaolin, copper, lead, zinc, sulfur, iron, and waste rock; provides road freight transportation; certifies professional skill levels; engages in e-commerce, health industry management, non-metallic mineral mining, and industrial production activities; and offers professional medical services such as medical examinations. The company was founded in 1997 and is based in Ningguo, China.