1. Zhengzhou research institute of mechanical engineering, Zhongyuan University of Technology, China
2. Zhongyuan University of Technology, China
3. Zhengzhou research institute of mechanical engineering, Zhengzhou High & New Technology Industries Development Zone, China
4. Zhengzhou research institute of mechanical engineering, North China University of Water Resources and Electric, China
5. Zhengzhou research institute of Advanced Equipment & Information Industry Technology Science, Zhengzhou High & New Technology Industries Development Zone, China