1. School of Automotive and Transportation Engineering, Hefei University of Technology, Hefei, People’s Republic of China
2. Automotive Research Institute of Hefei University of Technology, Hefei, People’s Republic of China
3. Wuhu Dajie Clutches Co. Ltd, Wuhan, People’s Republic of China
4. Jiangyin Tianyun Powder Metallurgy Co. Ltd, Jiangyin, People’s Republic of China