Chemicals
| Sat 06 Jun 2026
Beijing, June 6 -- SD Steel Rizhao has filed a patent application for Blast Furnace Composite Stemming and Preparation Method Thereof. This invention was developed by Gao Wensheng, Zhang Yongxin, Yang Lei, Gao Haichao, Wang Zaifeng, Zhang Shouliang, Zhang Liang, Liang Yongfei, Kong Zhuo and Jing Feng.
The patent application n..