Sanitation
| Fri 04 Sep 2026
Beijing, Sept. 4 -- Yunnan Construction & Invest Holding Group has been granted a patent for Sliding Type Fire Receiving Basin for Bridge Wet Joint Welding. This invention was developed by Yi Wei, Qin Xiaolei, Zhou Yukai, Wang Yigang, Zhong Shen, Yao Lei, Gao Rui, Yang Gangjie, Li Meng, Yuan Xibo, Shi Ningwei, Li Zhiwei, Wang We..