Lighting
| Thu 06 Nov 2025
Beijing, Nov. 6 -- Zhuhai Dahengqin Urban Comprehensive Pipe Gallery Operation Man Co Ltd has received a patent for Lamp Inspection Device for Tunnel Maintenance. This invention was developed by Xu Gaohua, Mei Xiao, Wang Qipeng, Ruan Yongjian, Zhang Wenhao, Dai Yubin, He Renhao, Yuan Song, Zhang Minyi, Huang Dan and Zhang Xuebin..