Metal & Mining
| Mon 13 Jul 2026
Beijing, July 13 -- Sinohydro Engineering Bureau 5 has applied Chinese patent for Construction Method for Blasting Excavation of Vertical Shaft. Shen Tong, Zhang Shuhui, Jian Zhen, Kang Luming, Luo Wanli, Chen Min, Yuan Bing, Li Caiyang, Qu Xiao, Qin Liang, Li Jianing and Su Jin developed it.
The patent application number is CN..