Tools and Machinery
| Thu 30 Apr 2026
Beijing, April 30 -- CCTEG Coal Mining Research Institute and CCTEG Xi'an Mining Engineering Tech Co Ltd have applied Chinese patent for Hard Coal Seam Fracturing Tool and Method. Cong Richao, Cheng Shizhong, Feng Yanjun, Liu Yong, Meng Xianzhi, Lin Penghao, Shang Xiaoguang, Zhao Kaikai, Sun Zhiyong, Yang Guangyu and Wei Bin dev..