Metal & Mining
| Tue 07 Apr 2026
Beijing, April 8 -- Wuhu Yuanxu Metallurgical Machinery Co Ltd has been granted a patent for Automatic Welding Device for Puncher Plug. Lyu Tingjun, Qi Xueyu, Zhang Yongguang, Zhang Min, Chen Junling, Zhang Yong, Zhang Kerong, Shi Qige, Li Qi and Zhang Xinbo developed the invention.
The patent application number is CN20242259..