new works: the sewage treatment plant and supporting pipe network in Rushan Economic Development Zone, the sludge treatment center in Solid Waste Recycling Economy Industrial Park of Rusha and the comprehensive control of Rushan urban rivers (Rushan urban dry river & closed conduit reconstruction, the management of the Choujiawa River, the management of the Chengnan River, the water supplement of the Chengnan River and the renovation of Rushan urban small dry rivers.)