On July 26, the symposium on quality improvement of the technical and economic information network organized by CCAIA was held in Yantai. Relevant comrades in charge of technical and economic statistics from fifteen key chlor-alkali production enterprises including Xinjiang Zhongtai, Xinjiang Tianye, Shaanxi Beiyuan, Qingdao Haiwan, Befar Group, Tianjin Bohua and Shanghai Chlor-Alkali attended the meeting. Li Qiong, director of CCAIA office, presided over the meeting. Zhang Wenlei, President of CCAIA, introduced the significance of the industry's technical and economic index statistical work and put forward the goals and key tasks of the quality improvement work of the technical and economic information network. The meeting introduced the work adjustment plans in six aspects: adjustment of the data composition module of the technical and economic network, calculation caliber and method of indicators, report viewing and query retrieval, data entry and automatic summary, data submission mechanism and related business training. The participants exchanged and discussed on how the industry can better organize and carry out technical and economic statistical accounting related work.