On August 31, the CPVC Professional Committee of CCAIA held a seminar online to discuss the application of improved products in the electric power casing industry. More than 20 people from Hangzhou Electrochemical, Shandong Gaoxin, Lee & Man Chemical, Xinjiang Tianye, Xinjiang Zhongtai, Shandong Aoxing, Shandong Rike Chemical and other enterprises attended the conference. While Zheng Jiebin, Vice Secretary General, presided over the meeting, various enterprises fully exchanged production and operation information, discussing in detail the upcoming industry standard "Technical Conditions for Power Cable Conduits-Part 3: Solid Wall Plastic Cable Conduits" (DL/T 802.3-2023) and the use of chlorinated polyvinyl chloride in the downstream power conduit industry. The attending representatives agreed that they will propose revision suggestions for industry standards and provide feedback to departments such as China Electricity Council and State Grid on the use of chlorinated polyvinyl chloride in the power casing industry, in order to promote the sound and sustainable development of upstream and downstream industries.