On August 10th, China Inorganic Salt Industry Association and China Chemical Industry News Co., Ltd. jointly held a symposium on environmental protection work in China's chromium salt industry (closed meeting) in Beijing to inform the environmental pollution of individual enterprises in the industry's economic operation situation and social concerns in the past year. event. In conjunction with the fourth and fifth ecological environment inspection teams of the central government, the on-site supervision and rectification work of the three chromium salt production enterprises in Chongqing and Gansu will study and analyze the safety and environmental protection situation faced by the industry, and exchange clean production, safety and environmental protection and chromium residue treatment. New technologies and new processes to jointly explore the green sustainable and high quality development of the industry.