Gong Tang is located in Zhongxiang City, Hubei Province, and is a part of the nationally protected cultural heritage site Yuan You Palace. The total length of Gong Tang is approximately 2 kilometers, covering an area of about 320 acres.

• Domestic sewage is directly discharged into the lake.

• Precision interception of pollutants
• Internal source pollution control
• Water ecological restoration
• Water landscape enhancement
• Intelligent drainage