North China University of Water Resources and Electric Power - School of Electric Power, North China University of Water Resources and Electric Power, North China University of Water Resources and Electric Power, North China University of Water Resources and Electric Power, North China University of Water Resources and Electric Power - School of Electric Power, North China University of Water Resources and Electric Power - School of Electric Power, North China University of Water Resources and Electric Power, North China University of Water Resources and Electric Power, Zhengzhou Sewage Purifying CO., LTD, Zhengzhou Sewage Purifying CO., LTD, Tianjin University and Teesside University