Pipe
| Tue 13 Jan 2026
Beijing, Jan. 14 -- Sinohydro Engineering Bureau 4 has applied Chinese patent for Intelligent Adjusting Device for Tunnel Lining Steel Pipe Installation. Dong Yujiang, Fan Guanghu, Qi Baodong, Ye Jun, He Rongliu, Liu Hang, Wu Peipei, Fang Xiao, Ma Yongwei, Qiao Zhiyuan, Li Wei, Liu Gang, Li Zhenchang, Sang Liangliang, You Yuanyu..