1. Shenyang Institute of Technology School of Mechanical Engineering and Automation 113122 Fushun, Liaoning China
2. National Engineering Research Center for High-End CNC Shenyang Zhongke NC Intelligence Tech Co.,Ltd 110168 Shenyang Liaoning China
3. Shenyang University of Technology School of Information Science and Engineering 110870 Shenyang Liaoning China
4. Ludong University College of Transportation 264025 Yantai Shandong China