Tools and Machinery
| Sun 21 Dec 2025
Beijing, Dec. 22 -- State Intellectual Property Office of China has awarded a patent to Baotou Iron and Steel Group for Residue Cleaning Mechanism of Ball Mill. Jiao Pengfei, Pei Bin, Cui Feng, Liu Yafeng, Zhu Lei, Xu Meizong, Zhao Liting, Yang Haifei, Miao Chenhui, Zhao Tuanjie, Gao Yuxing, Zhao Bo, Shen Hui, Shi Lei, Jia Jinzh..