Measurement & Testing
| Fri 01 May 2026
Beijing, May 2 -- Zhengzhou Zhengmei Design Eng Co Ltd and Henan International Mining Development Co Ltd have submitted a patent application for Mine Track Inspection and Maintenance Equipment and Method. Song Dale, Hu Bingwei, Zhao Mingyang, Jiang Jianjun, Yang Dong, Cui Bizheng, Liu Yu, Shi Huilu, Huang Zhenyu, Zhao Zheng, Xi ..