Tools and Machinery
| Mon 24 Aug 2026
Beijing, Aug. 25 -- State Intellectual Property Office of China has awarded a patent to Donghuantuo Mining Branch Kailuan Group for Belt Cleaning Device. Liu Guoxin, Dong Quanya, He Shaocun, Wang Quanxi, Jiang Baofeng, Li Zhenwei, Zhao Yue, Liu Shihao, Dong Di, Zhang Xin, Liu Haichuan, Yang Guoyin, Zhang Jian, Wang Yu and Feng G..