In order to promote the exchange and progress of the water, sludge, solid waste and leachate industries, facilitate the innovation and high-quality development of the industry, and promote the transformation and upgrading of China's water, solid waste, and ecological environment industries. China Water Supply and Drainage has launched the "Collection and Selection of Excellent Benchmarking Cases in the Water Industry". (Excellent benchmark case certificate can be issued). Collection and selection of outstanding characteristic cases of domestic and foreign water treatment, water environment, ecological environmental protection, sludge treatment and disposal, solid waste recycling, and landfill leachate treatment (excellent benchmarking case certificates can be issued). Submit the materials for the election to: China Water Supply and Drainage Magazine 13752275003@163.com