On April 19th, the national trichloroethylene industry seminar organized by CCAIA was held in Chengdu, Sichuan. With over 40 representatives from key enterprises such as Juhua Group, Jusu Chemical, Ningbo Juhua, Shandong Binhua, Inner Mongolia Dakang, YibinTianyuan, Shandong Xinlong, Chongqing Yingtianhui, Chongqing Tianyuan, Luxi Chemical, YidongDongxing and Inner Mongolia Yili attending the conference, Zheng Jiebin, Vice Secretary General of CCAIA, presided over the meeting. Xu Fengjiu, Senior Vice President of Shandong Binhua, the conference organizer, delivered a welcome speech. CCAIA introduced the status quo and problems faced by the domestic chlor-alkali industry and trichloroethylene industry and interpreted relevant policies. At the same time, the attending representatives exchanged ideas about the production and operation of various enterprises, the technological progress, safety and environmental issues faced by the trichloroethylene and tetrachloroethylene industries, the development status and trends of the downstream refrigerant industry, and their impact on the demand for trichloroethylene and tetrachloroethylene as well as measures for reducing emissions of by-product hexachlorobutadiene.