Daxing Branch project is located in Daxing District of Beijing and Gu'an County of Hebei Province. The project mainly connects the south main canal and the Corridor main channel of Hebei Province, connecting the south-to-north water diversion project between Beijing and Hebei, providing a double water channel for the planning of the Beijing new airport water plant, and adding a water channel for the middle route of the south-to-north water diversion project to Beijing.
Main construction contents include: 1 new pump station for laying the inlet and outlet water pipeline of pump station; 1 new front pool of pump station; new inlet and outlet water pipeline and auxiliary buildings of pump station.