Tyre
| Tue 04 Nov 2025
Beijing, Nov. 4 -- Qingdao Doublestar Tire Industrial has submitted a patent application for Asymmetric Tire Tread and Mouth-shaped Plate for Tread Extrusion. Wang Mingjie, Qiao Yuanmei, Wang Jun, Qu Binjian, Liang Xue, Dong Kang, Zhou Zhaogang, Huang Na, Wei Chenglong, Song Kejian, Chong Qianming, Zhang Yong, Liu Wenguo and Zha..