Construction
| Sat 13 Jun 2026
Beijing, June 13 -- Poly Changda Engineering has filed a patent application for Large-section Tunnel Fabricated Lining Construction Method. This invention was developed by Xiao Donghui, Niu Ziru, Liu Benhua, Li Zhitang, Yang Wenda, Fang Lijie, Li Yuanhao, Xu Wei, Lu Peijing, Liu Junbin, Yang Jiaxuan, Zhao Yijue, Wei Kaiqiang, Zh..