Transportation
| Thu 17 Sep 2026
Beijing, Sept. 17 -- State Intellectual Property Office of China has awarded a patent to China Railway Shanhaiguan Bridge Group and China Railway Hi-Tech Industry for Welding Stud Feeding Device. Zhu Qingju, Fan Junqi, Li Lin, Zhang Kuo, Zhang Yongjiang, Shi Hongbo, Guo Peng, Song Hongfei, Chen Yingjie and Xu Xiangjun developed ..