YC

Yufeng Cao

CC Crrc Qiqihar Rolling Stock Co.: 1 patents #15 of 51Top 30%
📍 Qiqihar, CN: #18 of 28 inventorsTop 65%
Overall (All Time): #2,910,572 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10086851 Bogie and axle box suspension positioning device thereof Shifeng Xu, Derong Zhang, Yanchen Zhang, Haibin Hu, Wendong Shao +3 more 2018-10-02