College of Mechanical and Transportation Engineering, Chongqing University Office telephone: 86-023-65105795 Office Address: Building 10, Science Center, Daxuecheng South Road, Shapingba District, Chongqing National Key Laboratory of High end Equipment Mechanical Transmission Phone/Fax: 023-65106195 Office Address: Building 2, Science Center, Daxuecheng South Road, Shapingba District, Chongqing