February 13，The longest cross-sea bridge under construction in Guangxi——New progress in the construction of Longmen Bridge：The bridge catwalk was formally erected.，The bridge has fully entered the stage of main cable erection.。During construction，Several Zoomlion tower cranes and construction elevators have always contributed to the construction of the bridge.。

▲Longmen Bridge after completion of catwalk erection（Pictures from“Longmen Dafengjiang Bridge”）

It is understood that，The highest point of the catwalk of Longmen Bridge is 186 meters from the sea.、The lowest point is 72 meters from the sea surface.，It is the highest catwalk on the sea in Guangxi.。The catwalk is a three-span continuous structure.，One catwalk is set below the left and right main cables respectively.，Connect the main towers on the east and west sides of the bridge，Each catwalk consists of a catwalk bearing rope,、Gantry bearing rope、Handrail rope、Surface layer net、Gantry and anchoring system。
Longmen Bridge is located at the seaside.，The erection of the catwalk is also a high-altitude operation.，Zoomlion tower crane with high wind resistance、High stability、High positioning accuracy and other advantages，The construction of the bridge provides a strong equipment support.。

▲Construction site of Longmen Bridge Project（Pictures from“CCTV news client”）

In order to crack the aerial work、Risks and challenges brought by adverse factors such as changeable climate at sea，With the help of Zoomlion Tower Crane，The construction of the bridge catwalk adopts the method of dragging from the top of the tower to the lower part to install the surface net step by step.，Strengthen safety protection，Through strengthening safety disclosure and tracking supervision of the whole construction process,，Ensure safe operation of workers。With the efforts of the builders，Finally, the erection of the highest catwalk on the sea in Guangxi was successfully completed.。

The total length of Longmen Bridge Project is 7.Six kilometers，It is the longest cross-sea bridge under construction in Guangxi，It is also the first kilometer-level cross-sea suspension bridge in Guangxi.。After the completion of the bridge，The coastal highway in Guangxi will be opened“Stuck point”，Change the space-time distance between Fangcheng Port and Qinzhou Port from the original 1.5 hours reduced to about 25 minutes，Vigorously Promote the Integration of Northern Qinling Defense，Promoting the high-quality development of Beibu Gulf Economic Zone，Help build a new land-sea corridor in the western region。