Hong Qi Gate in Shunde District was built at 1996. According to the relevant public information, the Sanqihongqi Water Control Project was built in 1996, with a grade of Grade III and a medium scale. It consists of a row of pumping stations, sluices and shiplocks. The pumping station is located on the right bank, with five horizontal units of 1600ZB7.3-3.4 and five T36. -240/65434./S, with a total installed capacity of 1800KW. There is a sluice with 3 holes and a clear width of 7M in the middle, and the designed flow is 107.2m? /S (including ship lock), three-hole and one-in-one structure, plane steel gate, breast wall for water retaining, gate room length17.2m, width 26.4m.. The ship lock is located on the left bank, with single-track and single-stage layout. The front and rear shiplocks are 8m wide and the engine room is15m wide.