We fully consider the integratedwater ecological security pattern and provideecological control standards as well as whole-process services and management for the city and surrounding regions in flood control and drainage, ecological environment protection and landscape and cultural tourism development. Our services include safety, energy saving, high-standard water supply, building nature-based flood control and drainage system, and building a sewage treatment system combining distributedand centered disposal to recycle and reuse energy of sewage and sludge, and create regions with good water environment, etc.