Metal & Mining
| Thu 14 May 2026
Beijing, May 15 -- Guizhou Phosphate New Material Tech Co Ltd and Guizhou Kailin Construction Group Co Ltd have applied Chinese patent for Roadbed Backfill Material Based on Phosphogypsum. You Chao, Ran Youxue, Li Huan, Wu Dengshan, Zou Guojun, Yang Heng, Du Qingfen, Chen Shi, Che Longchan, Zou Tao, Li Juan, Li Shiyan, Bi Yingho..