Metal & Mining
| Wed 01 Jul 2026
Beijing, July 1 -- Yunnan Construction & Invest Holding Group has filed a patent application for Multifunctional Fire Receiving Basin for Bridge Wet Joint Welding. This invention was developed by Shi Ningwei, Zhong Shen, Zhou Yukai, Li Meng, Yao Lei, Wang Weida, Yang Gangjie, Sun Jian, Gao Rui, Wang Yigang, Yi Wei, Li Zhiwei, Sh..