Hubei Huangmailing Holding Group Co., Ltd. (hereinafter referred to as "Huangmailing group"), founded in May 2017, with a registered capital of 1.2 billion yuan, is a wholly-owned subsidiary of Hubei united investment. The company's leading products are phosphate compound fertilizer, pyrite, iron ore, anhydrite, amino acids, etc., with 81 million tons of phosphate ore reserves, 85 million tons of pyrite, 18 million tons of iron ore and 48 million tons of anhydrite. Among them, Hubei Huangmailing Phosphorus Chemical Co., Ltd. was founded in 1973. In the 1990s, it completed the national eighth five year plan key project - Huangmailing mineral fertilizer combination project. It is one of the five major phosphate fertilizer production enterprises in China, the pilot demonstration enterprise of the integration of industrialization and industrialization in Hubei Province, and the top 100 chemical fertilizer enterprises in China. It is the main body of Hubei joint investment phosphorus chemical industry. During the "14th five year plan" period, Huangmailing group will further focus on the development of phosphorus chemical industry and the extension of integrated industrial chain by optimizing its business structure, so as to realize the "two wings" of traditional chemical industry and fine chemical industry. First, accelerate the upgrading of traditional industries. Based on 170000 tons of p2o5/ year total phosphorus phosphate, upgrade and transform traditional diammonium phosphate into high value-added water-soluble fertilizer, sulfur phosphorus ammonia fertilizer and slow-release fertilizer. Second, actively expand the phosphorus chemical industry chain, build phosphogypsum comprehensive utilization projects, build Huangmailing phosphogypsum comprehensive utilization Industrial Park, and build a non fertilizer business revenue growth pole. Third, strive to open up a new track of development, transform from "resource driven" to "innovation driven", build Huangmailing circular economy industrial park, and build Huangmailing group into a leading phosphorus chemical enterprise in our province.