Transportation
| Tue 26 May 2026
Beijing, May 26 -- China Railway Hi-Tech Industry has submitted a patent application for Angle Welding Method with Wrap Angle. This invention was developed by Xu Da, Yan Anning, Yan Wan, Yang Le, Cao Lei, Fan Junqi, Zhao Fei, Bu Zhenkai, Jiang Zhongliang and Zhang Zhong.
The patent application number is CN202511537065 20251027...