Manufacturing and installation of bridge expansion joint devices for the 55th bid project of Hunan Zhanghua Expressway by the Mechanized Engineering Company of China Railway No.5 Engineering Group Co., Ltd

Supply of Bailey pieces, support frames, and accessories for the FPZQ-4 bid project of China Railway 13th Bureau Group Fuping Railway

Supply of Bailey pieces, flower windows, and accessories for the TS09 section project of the Taizhou Bay Cross-sea Bridge by the branch company of Guangdong Provincial Changda Highway Engineering Co., Ltd

Supply of Bailey bridges, lattice panels, and accessories by Guangdong Kaiping Project Department, a branch of Guangdong Changda Highway Engineering Co., Ltd

Supply of Bailey frames, support frames, and accessories for the SS-2 bid project department of the Shishou Yangtze River Bridge of China Railway Construction Bridge Group Co., Ltd