Lighting
| Wed 26 Aug 2026
Beijing, Aug. 26 -- Yuwu Coal Industry of Shanxi Luan Group has obtained a patent for underground illuminating lamp fixing support. This invention was developed by Wang Zhijian, Si Guanghong, Wang Gang, Liu Yanpeng, Liu Yuntao, Lu Shengliang, Peng Hongtao, Xu Ning, Li Gang, Zhang Chenbing, Chang Leipeng, Yang Yang, Cao Jinfeng, ..