Aviation
| Thu 18 Jun 2026
Beijing, June 19 -- Avic Huiyang Aviation Propeller has filed a patent application for Protection Device for Sealing Ring Assembly and Use Method Thereof. This invention was developed by Duan Chunxu, Xie Wenzhi, Sun Danyu, Jiang Haibo, Yu Shaopeng, Fan Haijun, Zhao Hongling, Zheng Kaile, Zhang Hefang, Luo Yudan, Feng Dan, Zhang ..