Rubber
| Sun 07 Dec 2025
Beijing, Dec. 8 -- Sichuan Ningjiang Shanchuan Machinery has obtained a patent for air spring top rubber and sealing structure thereof. This invention was developed by Liu Xinqiang, Li Yiwen, Liu Xiaoya, Zheng Bin, Jin Maohong, Tang Xudong, Chen Dong, Lin Yan, Tang Kanglin, Xie Yangguo, Tian Huanxue and Chen Zhao.
The patent ap..