Hebei Hebei University of Technology

Shanxi Taiyuan University of Technology

Liaoning Dalian University of Technology Northeastern University Liaoning University Dalian Maritime University

Jilin Jilin University Northeast Normal University Yanbian University

Heilongjiang Harbin Institute of Technology Harbin Engineering University Northeast Agricultural University Northeast Forestry University

Anhui University of Science and Technology of China Anhui University Hefei University of Technology

Jiangxi Nanchang University

Sichuan Sichuan University Southwest Jiaotong University University University of Electronic Science and Technology of China Sichuan Agricultural University

Southwestern University of Finance and Economics

Chongqing Chongqing University Southwest University

Xidian university, Northwestern Polytechnical University, Xi Jiaotong University, Shaanxi Northwest University.

Chang 'an University Northwest A&F University Shaanxi Normal University