Industrial
| Tue 27 Oct 2026
Beijing, Oct. 27 -- Ningxia Wangwa Coal Industry has been awarded a patent for Component Facilitating Stacking of Underground Single Props. This invention was developed by Li Yong, Zhou Xiaoyan, Zhen Chuangjia, Shi Wei, Zhu Xiangyun, Ma Genqiang, Ma Tao, Wen Tianqi, Qi Zhanyi and Li Shangkun.
The patent application number is ..