On July 20, the Party Branch of CCAIA organized a Party class under the theme education, all staff members participated. Zhang Xin, member of CCAIA's General Party Branch and Secretary of the Party Branch of the Secretariat, made a special report on the topic of " Resolving issues through in-depth investigations and research to promote the comprehensive application of waste salt in the chlor-alkali industry and improve safety standards of industrial development. Secretary Zhang Xin provided an insight into the industry's comprehensive utilization of industrial waste salt in combination with the field survey, introduced domestic applications of industry equipment and auxiliary agents, and proposed ideas for the next work arrangements in terms of disposal of industrial waste salt by ionic membrane electrolysis, promoting high-quality domestic equipment and maintaining the safety of industrial development.