Chemicals
| Mon 23 Mar 2026
Geneva, March 24 -- Zhengzhou Non Ferrous Metals Res Institute Co Ltd Of Chinalco has sought patent for Red-mud-based Backfilling Paste and Preparation Method Therefor. This invention was developed by Fan Zekun, Liu Zhongkai, Kang Zeshuang, Li Huaxia, Tian Ye, Zhang Yanli, Li Yanming, Sun Fengjuan, Zhang Tengfei, Cao Ruixue, Su ..