With the natural sewage purification facilities at Zhongnanlou, Ludao, it is hoped that the sewage, which originally caused the environmental impact on the natural ecology, will be converted to reusable water through natural purification so as to achieve the purpose of reutilization of water resources and achieve the purpose at the same time: 1. reduce the environmental pollution caused by domestic sewage. 2. to maintain the normal operation of sewage purification facilities. 3. the use of purified water as a sea embankment green landscaping use.

Ludao