March 15，Secretary of the Party Committee of the company、Chairman Peng Zhengyong led a team to Zhangjinggao Bridge of CCCC First Highway Engineering Co., Ltd.ABid 5 Project Visit and Study，Secretary of the General Party Branch of the Project、General Manager Hu Fengming，Executive Deputy General Manager Ren Wei，Communication with Deputy General Manager Wang Xianchen。

Peng Zhengyong and his party went deep into the construction site of the steel shell of the open caisson，Focus on understanding the key and difficult points of project construction、Construction process、Technological innovation, etc.。And then，Peng Zhengyong and his party came to the intelligent management command center.，Visited the Technology Hall、Office of Technological Innovation、BIMHall of wisdom construction、Security Center Hall、Green Construction Hall、Party Construction Hall, etc。Under the professional explanation of the information technician，Comprehensively understand the general situation of Zhangjinggao Bridge，By viewing the caisson 5DIntelligent construction system，From five original innovation dimensions，Stress and strain in the construction of open caisson、Space attitude、Soil settlement、Water level changes and other key indicators for real-time viewing，Understand the current construction status of twin caissons of the project in real time。

It is reported that，The project is undertaken by CCCC First Highway Engineering Group.，It is the largest open caisson for highway bridges in China.。