No. China Railway Construction Bridge Bureau was renamed from the original China Railway Construction China Railway 13th Bureau Group Co., Ltd. The group company is headquartered in Dalian, Liaoning and is a secondary subsidiary of China Railway Construction Co., Ltd. China Railway Bridge Bureau is a secondary subsidiary of China Railway Group Co., Ltd., with the group headquarters in Wuhan, Hubei. In terms of bridge construction capabilities, China Railway Bridge Bureau is much stronger than China Railway Construction Bridge Bureau. For China Railway Construction and China Railway, people are accustomed to calling them China Railway, and they are distinguished by their numbers