Shanghai Dage Water Co., Ltd., as the marketing and marketing headquarters of Jiangsu Dage Water Co., Ltd., which is controlled by the Chinese side, in twelve provinces and one city in the East and South China regions, shoulders the major mission of supporting the operation of the national and even global marketing headquarters of the headquarters, and is committed to providing high-quality ecological drinking water for people all over the world. In 2016, the international invention process patent "DAGUA High Quality Ecological Drinking Water Treatment Technology" from McGill University in Canada was introduced. Through introduction, digestion, and further research and development, the core technology "ozone pressure oxidation grafting oxidation resistant ultrafiltration membrane coupled with ozone nanobubble continuous online cleaning and disinfection membrane" was mastered. The system does not add any water treatment chemicals during operation and has been recognized by leaders of the Ministry of Environmental Protection, the Ministry of Science and Technology, the Ministry of Water Resources, the Ministry of Industry and Information Technology, as well as academician experts from Chinese Academy of Sciences, Tsinghua University, Peking University, Nanjing University, Tongji University, Harbin Institute of Technology, and other universities. This technology was listed as a key new process technology for promoting drinking water treatment by the International Water Association (IWA) in 2016. In 2017, it was included in the National Thirteenth Five Year Plan Major Science and Technology Water Special Project - Drinking Water Special Project. In 2020, it was listed as an innovative original ecological drinking water treatment mature and applicable process technology by the Ministry of Water Resources and has been promulgated and implemented. In 2024, it was included in the upgraded version of the design standards for low-temperature and low turbidity water treatment engineering, and has started to be applied in large-scale design in multiple design institutes across the country; At present, Dage Water's sales network has gradually covered major regions across the country.