Shenzhen Expressway holds a 20% stake in Chongqing Derun Environment Co., Ltd. (Chongqing Derun Environment), and its main assets are a 50.04% stake in Chongqing Water Group and a 57.12% stake in Sanfeng Environment. Chongqing Water Group was established in 2001 and listed on the Shanghai Stock Exchange in 2010. It is a leading domestic and state-owned professional water comprehensive service provider integrating industrial investment, construction, operation and professional technical services, focusing on urban water supply. Investment, construction and operation management of water environmental protection industries such as sewage treatment and sludge treatment and disposal; Sanfeng Environmental is committed to the whole industry chain service of waste incineration power generation project investment, EPC general contracting, equipment manufacturing and operation management. It was listed on the Shanghai Stock Exchange on June 5, 2020 as a pilot unit of the "Double Hundred Action", a top 500 global new energy enterprise, a top 50 environmental enterprise in China, and a top ten influential enterprise in China's solid waste industry.
