Core Viewpoint - The article discusses the environmental impact assessment (EIA) public announcement for the technological transformation project of Sichuan Yingda Lithium Battery New Materials Co., Ltd., which aims to enhance the production capacity of lithium-ion battery cathode material lithium iron phosphate precursor to 100,000 tons per year [2] Group 1 - The project is located in the Pengxi Economic Development Zone, with an investment of 30 million yuan for technical upgrades within the existing factory [2] - The construction plan includes optimizing the existing production capacity of 40,000 tons of sodium-based iron phosphate and 60,000 tons of ammonium-based iron phosphate to a total of 100,000 tons of ammonium-based iron phosphate [2] - The project will be executed in three phases, with the first phase (one production line) achieving a capacity of 25,000 tons per year, already accepted, and the second phase (two production lines) reaching 50,000 tons per year, totaling 75,000 tons [2] Group 2 - The second workshop will be developed in the third phase, adding a fourth production line with a capacity of 25,000 tons, achieving a total production capacity of 100,000 tons [2] - The project will enhance raw material supply autonomy by replacing externally sourced monoammonium phosphate with a reaction process using ammonia water and dilute phosphoric acid [2] - Energy-saving upgrades will be implemented in the drying section, along with the addition of waste gas treatment systems and other environmental protection facilities [2]