Metal & Mining
| Fri 04 Oct 2024
Beijing, Oct. 5 -- Xincheng Gold Mining Shandong Gold Mining has secured a patent on activating and guiding device for filling sand silo. Lyu Hongsheng, He Peng, Zhang Yinfeng, Li Shulei, Wang Jingsheng, Zhang Jianbin, Wang Yanbo, Zhang Qun, Guo Shuyu, Xu Guowu, Zhou Gang, Zhang Qing, Ma Tao, Zhang Maolin, Luan Shaohui, Liu Hanw..