Lighting
| Tue 16 Dec 2025
Beijing, Dec. 17 -- State Intellectual Property Office of China has awarded a patent to Zhong Jiao Guo Tong Intelligent Tech Co Ltd for Expressway Tunnel Lighting Device. Li Yang, Guo Miandong, Liu Jiangbo, Ni Jiangfeng, Li Rongrong, Li Xuntong, Zhang Junshan and Zhang Genyuan developed the invention.
The patent application n..