China Chongqing Western Water Show - Changhuan Conference is held concurrently with the China (Chongqing) Yangtze River Economic Belt Environmental Protection Expo (Abbreviation: Changhuan Conference), which began in 2018. It focuses on the themes of the implementation of the western development strategy, green development along the Yangtze River, and domestic and international dual circulation, as well as the Chengdu-Chongqing dual-city economic circle, all of which are related to economic construction and ecological civilization construction. The exhibition aims to create three platforms through the show: a platform for showcasing new technologies, processes, and equipment; a platform for exchanging new ideas, thoughts, and experiences in environmental protection; and a platform for domestic and international exchanges and cooperation in the environmental protection industry. It promotes multi-level and multidimensional exchanges and connections among all parties, contributing to the joint advancement of ecological civilization in the west.

Notable participating companies at the Chongqing Western International Water Show - Changhuan Conference include: CSSC, China Construction Third Bureau, China Gezhouba, Dongfang Electric, MCC Sedi, COSCO Ecological, China Everbright Environment, Chongqing Water Resources, Chongqing Environmental Investment, Hex southern pump industry, Korean Hanjin, Italian Benteck, Xin Zhongtian, Kangda Environmental, Ang Ruiyue, Qingdao Huashi Jie, Guangzhou Pengkai, Hebei Xianhe, Anhui Landu, lian, Beijing Xuedilong, Jiangsu Kaikuan, LEO Group, Dongyin Pump Industry, Zhejiang Hongsheng, Tanggong Valve, Jiangbei Machinery, Fuzhou Pubeisi, Zhongke Inspection, Jing Valve Technology, Dalian Lide, Ka Yi Valve, Shenzhen Changlong, Guogao Technology, Xinao Environment, Jackai Industry, Taiplast Industry, Youpu Water Supply, Shoufei Pump Industry, etc.