What about the subordinate units of Tianjin Water Group?

Not bad. The subordinate unit of Tianjin Water Group is Tianjin Miao Hua Water Supply and Drainage Research and Design Institute Co., Ltd., which has Grade A qualification for urban water supply and drainage engineering design and Grade B qualification for environmental impact assessment. As the executive director of China Water Supply and Drainage Industry Association, it is committed to promoting the research and application of smart city, water resources protection and sponge city, actively introducing cutting-edge technologies and concepts, and promoting the sustainable development of the city.