Rubber
| Fri 26 Dec 2025
Beijing, Dec. 27 -- Chinese Patent for Novel Rubber Oil Injection and Discharge Flexible Composite Device has been issued to Kai Di Northwest Rubber Co Ltd. This invention was developed by Yang Wenlong, Hou Kun, Wang Chun'e, Yuan Di, Chen Da, Meng Ziyue, Tian Kaimin, Lee Young-jin, Fu Baoqiang and Yang Wenhui.
The patent appl..