Metal & Mining
| Tue 18 Aug 2026
Beijing, Aug. 18 -- Ansteel Group Mining Industry has sought patent for Intelligent Design Method for Vertical Shaft Blasting Tunneling. This invention was developed by Zheng Changda, Zuo Jinjing, Tian Yingchun, Guo Zhidong, Yang Canshu, Wang Zijie, Wang Changyan, Chen Xiaoyun, Tao Zhichen, Qu Hongrui and Liu Dianjun.
The paten..