Two copies. According to official website of North China University of Water Conservancy and Hydropower, there are two Sino-foreign cooperative schools in North China University of Water Conservancy and Hydropower, and two students are studying in the Sino-foreign cooperative school of North China University of Water Conservancy and Hydropower, with diverse majors and a good campus environment. North China University of Water Resources and Hydropower is located at Jinshui East Road 136, Zhengdong New District, Zhengzhou City.