Transportation
| Thu 02 Jul 2026
Beijing, July 2 -- Xianyang Power Supply Co State Grid Shaanxi Electric Power Co Ltd has sought patent for Fire Early Warning Device for Flame-retardant Crawler Belt. This invention was developed by Chen Shuying, Dou Xiaojing, Ren Zetong, Chen Xiaolong, Han Xi, Chen Hao, Li Long, Li Zhaojin, Zhang Yuxiang, Yu Na, Xie Lingbo, Zha..