Lighting
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Chengdu Chuanyou Ruifei Tech Co Ltd has applied Chinese patent for State Indicator Lamp Positioning Method and Device for Complex Electrical Instrument Equipment. Tian Caidan, Cao Yang, Wang Tao, Dong Kaiyun, Xie Rong, Liu Lihua, Dong Jianjun, Huang Yang, Long Tinghao, Zhou Jing, Zhang Li, Wu Shiqiang, Zheng ..