On December 11, the 2020 China (Yunnan) Phosphorus Chemical Industry Development Conference and the "Tri-Phosphorus" Cleaner Production Technology Exchange Conference organized by the China Inorganic Salt Industry Association was held in Kunming. Experts at the meeting said that during the "14th Five-Year Plan" period, the phosphorus chemical industry should promote the modernization of the industrial chain, research and develop a batch of domestic and international advanced phosphorus chemical products with independent intellectual property rights, and focus on the development of fine phosphorus chemical products.