In the first nine months of 2025, revenue from the U.S. market reached RMB 973 million, accounting for 54.8%; Europe contributed RMB 538 million, or 30.3%. Together, Europe and the U.S. accounted for ...

Abstract: Wheel is an important component of bogie, and its geometry affects the dynamic behaviors of rail vehicles. To accurately obtain the geometric feature information of wheel tread profile, an ...