Tools and Machinery
| Sun 15 Nov 2026
Beijing, Nov. 14 -- Qinhuangdao Xinglong Wheels has submitted a patent application for Bolt Hole Unblocking Device and Method for Hub Spraying. This invention was developed by Jiang Feng, Liu Zhifeng, Wang Xiaohu, Guo Ying, Meng Fanwen, Zhang Hua, Yao Hongzhi, Zhang Dianjie, Zhang Yu, Wang Wanning, Zhang Xuhui, Zhang Pu, Wang Ha..