Printing & Publishing
| Tue 13 Oct 2026
Beijing, Oct. 12 -- Yuxi Mining has obtained a patent for fixing and guiding device for lowering shaft section scanner. This invention was developed by Sun Zhongfu, Chen Xingjie, Li Songze, Li Weixian, Wang Yupu, Xu Zhaosheng, Shao Huichun, Fang Youming, Shi Xuelin, Xia Yongsheng, Tang Mingfa, Jin Jiaxiang and Fu Wei.
The paten..