Metal & Mining
| Fri 26 Dec 2025
Beijing, Dec. 27 -- Hulun Buir Chihong Mining Ind Co Ltd has been awarded a patent for High-temperature Fan Shaft End Sealing Device. This invention was developed by Liu Binbin, Han Zhiling, Li Xiaohua, Zhou Jinsong, Li Guanghui, Chen Yonghui, Yang Guanling, Tang Yongfeng, Yin Xuesong, Yu Zhifang, Zhao Min, Zhang Jiarui and Sun ..