On July 28th, the group standard preliminary draft seminar on "Technical Requirements for the Application of Calcium Chloride as a Byproduct of Epichlorohydrin" organized by CCAIA was held in Ningbo, with representatives of six drafting units, including Zhejiang Zhenyang, Ningbo Huanyang, Zhejiang Juhua, Shandong Sanyue, Jiangxi Zhuxing, and Shandong Dadi Salt Chemical attending the conference. As Wang Li, Director of the Research Department of the Association, presided over the meeting,the editor in chief, Zhejiang Zhenyang, introduced the first draft of the group standard preparation report. The participating enterprises had in-depth discussions on the scope, normative reference documents, terms and definitions, technical requirements, test methods and inspection rules, further supplementing and improving the text content.