Northeast Petroleum University, Xi 'an University of Science and Technology, Xi 'you University, Henan Polytechnic University, Hebei Geo University, Anhui University of Science and Technology, Yangtze University, Southwest Petroleum University, Chengdu University of Technology (the only two heavyweight universities in China), Liaoning University of Engineering Technology, Guilin University of Technology, Kunming University of Science and Technology, etc. Each school has different emphases. For example, the coal system is Henan Polytechnic University.