On December 9th, 10th, the first world long-span arch bridge construction technology conference was held in Nanning, Guangxi Zhuang Autonomous Region. With the theme of "frontier scientific issues and key engineering technologies in the construction of long-span arch Bridges", this conference will jointly discuss the frontier scientific issues and engineering technologies in the field of long-span arch bridges through field visits, academic reports and summit forums. More than 20 academicians from home and abroad, more than 30 foreign experts and more than 400 representatives attended the meeting. Group company general manager Zhu Ying attended the conference, and as one of the conference hosts, presided over the meeting on the morning of the 10th.

During the conference, the group company deputy chief engineer Chen Kejian give a special report themed "China's high-speed railway concrete arch bridge technology". This report is mainly about the world railway - Beipanjiang river bridge span concrete arch bridge and the passenger and cargo collinear railway - the Nanpanjiang bridge, the large span concrete arch bridge of high-speed railway was introduced in detail the concrete arch bridge structure design, construction method and key technology, showed the forum guests group company in high speed railway concrete arch bridge in the design of the advanced technology and innovation.

The conference, experts and scholars focus on the new era of design and construction of long-span arch bridge, arch bridge structure inspection and evaluation, sustainable development of the arch bridge, new materials, new technology and new equipment in the application of the arch frontier issues such as core technology and engineering problems, to carry out extensive research, to promote the progress of science and technology development of bridge engineering consultation.

Representatives of the 1^st institute of civil engineering, the 2^nd institute of civil engineering, the scientific research institute, Nanning institute, Guiyang company and Chengdu Alga attended the conference.