Metal & Mining
| Fri 03 Jul 2026
Beijing, July 3 -- Shanxi Sanjian Group has submitted a patent application for Metal Material Welding Device for Decoration. This invention was developed by Zhang Jianqing, Jia Jian'e, Qin Wei, Wang Hongbo, Wang Pengtao, Wang Haitao, Li Junbing, Wang Yu, Wang Hong, Kou Baohuai, Yan Guohong and Zhang Jingjing.
The patent appli..