In harbour construction, precasting caissons with slipform construction technology is a new attempt.

港口施工中，利工艺预制沉箱是一种新的尝试。

The technique of pier integral precasting at the sea was researched and applied in the innavigable section construction of Donghai Bridge(the first bridge at the sea in China).

上墩整体预制吊装在我国第一座外桥梁桥非通航段施工中得以研究和全面应。