Transportation
| Sat 01 Aug 2026
Beijing, Aug. 1 -- Equipment Branch of China Railway Tunnel Group Co Ltd and China Railway Tunnel Group have applied Chinese patent for High-pressure-bearing Shield Tail Brush. Liu Peiliang, Sun Haibo, Peng Huaiyang, Xu Kun, Zhang Zhiqiang, Chen Shaohua, Zhang Hongda, Zhang Jiaxing, Li Yanan, Yuan Pengfei, Duan Yongji, Wang Chun..