Core Points - The completion of the last box girder placement for the Yucen section of the Nanzhu High-speed Railway marks a significant milestone in the construction process [1][3] - The Yucen section spans 20.9 kilometers and includes various engineering works such as bridges, tunnels, and roadbed [3][4] - The project aims to enhance transportation conditions in the eastern Guangxi region and facilitate economic development in the Beibu Gulf Economic Zone and the Guangdong-Hong Kong-Macau Greater Bay Area [4] Construction Progress - The construction of the Yucen section has reached a critical phase, with 99.7% of the earthworks completed, 98.1% of the bridge works finished, and 100% of the tunnel works completed [3] - The project includes 21 bridges totaling 7.61 kilometers and requires the installation of 157 box girders [3] - The construction team has effectively managed the schedule and safety protocols to overcome challenges such as tight deadlines and long single-line transport distances [3] Project Significance - The Nanzhu High-speed Railway is a key infrastructure project that connects the Guangxi region to the Greater Bay Area, with a total length of 110.309 kilometers and a design speed of 350 kilometers per hour [4] - The completion of this railway is expected to improve regional transportation, enhance the quality and capacity of the transportation corridor between Guangxi and Guangdong, and stimulate economic growth along the route [4]