Guizhou Sichuan Chemical Industry Limited by Share Ltd (hereinafter referred to as: hereinafter referred to as the Sichuan Heng), the production base is located in Fuquan City, Guizhou Province, and the large phosphorus mine is located in Weng an County, Guizhou province. The company has registered capital of 360 million yuan, total assets of about 2 billion yuan, production and marketing capacity of more than 400 thousand tons / year, annual sales income of more than 1 billion yuan. After more than 10 years of development, the company has formed a circular economy industry group of phosphorus chemical industry, including mine mining, phosphate production, phosphorus chemical technology innovation, associated resources development and utilization, phosphogypsum building materials, phosphorus nutrition technology service and product sales.

At the beginning of its creation, Chuan Heng was committed to technological innovation. After more than ten years of accumulation and precipitation, Sichuan Heng shares have made a series of achievements in the field of phosphorus chemical industry: the first successful research and development of the successful semi water phosphoric acid production technology in China has reached the international advanced level. The combined development of semi water phosphoric acid technology and the North Branch of the joint development of semi water phosphogypsum cementitious material and paste filling technology is expected to make great breakthroughs in the clean cycle production of phosphorus chemical industry.

The feed grade calcium dihydrogen phosphate product, which has undergone 9 technological upgrading, has maintained nearly 50% of China's market share for many years. Chuan Heng is an influential supplier of calcium dihydrogen phosphate in the feed industry of the Asia Pacific region, and participates in the drafting of the national standard for feed grade dicalcium phosphate, and the source constantly dedicates the value of innovation to the customers. The first to introduce new ammonium phosphate has become the most influential phosphate product in China's water-saving agriculture. The first launch of customized grade monoammonium phosphate has become China's professional fire fighting monoammonium phosphate products, the market share in recent years are among the best. Adhering to the spirit of innovation, Chuan Heng shares successfully declared the national identification of high and new technology enterprises and the provincial enterprise technology center, and has obtained a number of technical innovation awards at the provincial level. Chuan Heng shares also co - operated with first-class universities in China, set up China's Phosphorus Nutrition Research Center, carry out the research on phosphorus nutrition of animals and plants, innovate the scientific application methods of phosphorus elements, and explore the important new effects of phosphorus elements.