Transportation
| Tue 07 Apr 2026
Beijing, April 8 -- Yimei Group Xinan County Yunding Coal Ind Co Ltd has secured a patent on Safety Distance Limiting Device for Hanging Seat of Overhead Passenger System. Wang Hongtao, Wang Mian, Zhang Guangwei, He Wei, Zhang Xiangyang, Chen Xinwei, Xie Wanli, Yu Hui, Zhao Juntao, Zhou Guohui, Zhang Jie, Zhang Jun, Liang Bo, Ma..