Metal & Mining
| Tue 16 Sep 2025
Beijing, Sept. 17 -- Xilingol League Shanjin Aer Hada Mining has submitted a patent application for Ventilation Dust Filtering Device for Mine. This invention was developed by Bai Yang, Zhou Yabo, Wu Binjie, Zhang Hengchao, Zhang Baitong, Zhang Junqing, Chi Famin, Liu Ye, Wei Zhiyuan, Zhao Xueping, Hou Ronghan, Jia Dinghao and W..