China’s economy is currently transforming from speed-growth to quality-growth. In recent years, China has increased its focus and efforts towards combating water pollution control. Multiple technologies have been developed to treat domestic and industrial wastewater, and the country now owns the world’s second-highest sewage processing capacity. However, there are still innovative demands in the areas such as refractory industrial wastewater treatment, resource recovery from sewage and micro-pollutant removal. Meanwhile, the concept WWTPs showcase the ambitious undertaking with the pursuits of sustainable water quality, energy self-sufficiency, resources recovery and be environmentally friendliness. These provide opportunities of research collaborations and business e.g. exporting know-how water technology and engineering services for advanced European institutions and enterprises.