Senior engineer Rui-min Huang in charge of the design and construction of the Printing and dyeing wastewater centralized treatment and reuse project in Shatian Town, Dongguan City. The project construction scale is 50,000 t/d, and the recycling scale is 25,000 t/d. The project adopts research and development of high efficiency and low consumption printing and dyeing wastewater deep treatment and recycling integration technology by Huang’s team, the process is stable and reliable, the operation is good, since the operation of water treatment to meet the requirements of the discharge standards.