Tools and Machinery
| Sun 05 Apr 2026
Beijing, April 6 -- Shanxi Fenglei Drilling Tools has sought patent for High-strength and High-toughness Drilling Tool Alloy Material and Preparation Process Thereof. This invention was developed by Li Guibian, Ma Xinhua, Gao Jiuping, Zhao Jing, Xie Wu, Cheng Xinyu, Zhu Fuwen, Dong Weiguo, Zheng Xikun, Niu Lining, Xu Bohao, Li Y..