The 200th box girder of the offshore non-navigable bridge of the Shenzhen-Zhongshan Bridge was erected on July 5. So far, 60% of the steel box girders have been erected.

The 200th box girder is 60 meters long, 20 meters wide, 3.5 meters high and weighs about 2,500 tons. It is transported and erected by "Tianyi", an integrated crane ship independently developed by China Railway Major Bridge Engineering Group.