Located on the west side of the Ningyuan Estuary of Yazhou Bay, Baogang Village in the east, Yanzao River in the west, close to Hainan Huandao Expressway, about 50 kilometers from Sanya City, is the closest national central fishing port to the South China Sea fishing grounds in China, and is the most convenient base for ships operating in Hainan fishing grounds to moor, shelter from the wind, unload and replenish. It is the most important aquatic product distribution port in the South China Sea.