Tools and Machinery
| Mon 18 Aug 2025
Beijing, Aug. 19 -- The First Company of China 8th Engineering Bureau has secured a patent on Piling Drill Rod Cleaning System. Zhao Haiyuan, Guo Rong, He Jian, Li Di'an, Liu Qiang, Wu Yihan, Yu Benxin, Zhang Junhui, Wang Awei, Fu Lufen, Guo Hui, Zhang Yuanpeng and Hu Liang developed the invention.
The patent application numb..