Institutions of higher learning offering superhard materials: Central South University (old mining institute), Yanshan University, Tianjin University (superhard upstart), Henan University of Technology (Zhengzhou Grinding Wheel Institute under department of mechanical engineering). Institutions of higher learning offering abrasive manufacturing major: Henan University of Technology (old Zhengzhou Institute of Machinery) and Yellow River Water Conservancy Vocational and Technical College (the school is located in a middle school in Kaifeng).