On April 29, the Standardization Working Committee of CCAIA issued the "Notice on Printing and Distributing the First Batch of Group Standard Project Plans in 2022" in document (2022) JSC No. 008. According to the Group Standard Management Measures of CCAIA, the first batch of group standard plans were determined through the public solicitation and formal review, including the Technical Specifications for Energy Efficiency Evaluation of Caustic Soda Enterprises, Accounting Requirements for Carbon Emission of Membrane Electrolysis Process in Chlor-alkali Industry, Cost Accounting Methods Applied to the Chlor-alkali Industry Part 2: Caustic Soda, Liquid Chlorine and Synthetic Hydrochloric Acid, Cost Accounting Methods Applied to the Chlor-alkali Industry Part 3: PVC Resin, Technical Guide for Environmental Protection Performance Classification and Emission Reduction Measures in Chlor-alkali Industry and Evaluation of Green Design Products in Chlor-alkali Industry-Glycerol ECH. Major enterprises in the industry organized and carried out relevant work as editors in chief respectively such as Xinjiang Tianye, Qingdao Haiwan, Beiyuan Group, Tangshan Sanyou, Jiangxi Jiuhong, Shaanxi Jintai , Yangnong Chemical and Zhejiang Haobang etc. All companies were required to do a good job in standard development in strict accordance with relevant regulations, pay attention to coordination in the process of standard drafting, pick others' brains in a broad way, ensure the quality and level of the standards and complete the task of standard formulation on time.