Engineering
| Wed 31 Dec 2025
Beijing, Dec. 31 -- State Intellectual Property Office of China has awarded a patent to Henan Communications Construction Man & Consulting Co Ltd for Hot-line Operation Monitoring Device with Protection Effect. Liu Weiwei, Du Jiao, Hao Jie, Zhang Yongjie, Li Yaxin, Xia Lin, Wang Jingxuan, Liu Benyu, Li Luzheng and Zhang Wei deve..