Lighting
| Sat 15 Nov 2025
Beijing, Nov. 15 -- Jinan Sanding Electric Co Ltd has been granted a patent for Railway Signal Lamp State Monitoring System. This invention was developed by Wu Zhengqiang, Xu Linduo, Fu Qiang, Wang Lei, Li Lianzhan, Wang Xiaodong, Niu Yingchen, Hu Aopan, Zhang Mingjing, Kong Lingzhen, Zhang Xun, Zhang Jiake, Wang Wenlong, Tang W..