Tyre
| Thu 27 Mar 2025
Beijing, March 28 -- State Intellectual Property Office of China has awarded a patent to Qingdao Doublestar Tire Industrial for tire pattern and rt tire. Zhao Shuai, Wang Jun, Xu Wei, Han Lei, Su Ming, Su Guoqing, Li Xiaohong, Wei Ying, Liu Jifa, Ren Zhenxing, Sun Guiqin, Li Zhengfang, Xiang Bingbing, Han Bong-jin and Ma Weihua ..