By firmly following the market's increasing demand for the diversification and high added value product of phosphorus resources, Yonfer began to layout the comprehensive utilization of fine phosphorus chemicals and auxiliary resources of phosphate rock. In May 2022, Yonfer invested the comprehensive utilization project of phosphate rock auxiliary resources in Dongbao District, Jingmen City, Hubei Province, including 30,000 tons per year anhydrous hydrogen fluoride, 20,000 tons per year Silica and 10,000 tons per year lithium hexafluorophosphate production lines; In August 2022, Yonfer invested the food grade phosphoric acid project with an annual production capacity of 100,000 tons in Zhongxiang county, Jingmen city, and the project was progressing smoothly. Through the cascade utilization of phosphoric acid and the value expansion of auxiliary resources, Yonfer further optimized the industrial structure, and strengthened the strategic layout and competitive advantage of industrial chain integration.