Tools and Machinery
| Fri 03 Jul 2026
Beijing, July 3 -- Henan Houde Rongtong Track Traffic Tech Co Ltd has filed a patent application for Treatment Device for Abnormal Abrasion of Rigid Contact Line. This invention was developed by Lin Han, Cao Wenzhong, Zhang Sen, Luo Xuanzhong, Qu Wentao, Xiang Maozi, Zheng Chuanfu, Li Weiqiang, Cai Yuguang, Sun Jiale, Zhou Jinhu..