Metal & Mining
| Tue 06 Oct 2026
Beijing, Oct. 6 -- Hulun Buir Chihong Mining Ind Co Ltd has been granted a patent for Coal Injection Device. This invention was developed by Bao Hehui, Miao Weidong, Wang Ziyue, Zhang Zhiguo, Liu Baosong, Liu Libo, Zhao Jinquan, Wang Zhijuan, Pan Qingyu, Han Xuefeng, Li Yan, He Qianqian, Zhang Shibo, Li Baoheng, Dou Xue, Niu Hon..