Aviation
| Mon 29 Jun 2026
Beijing, June 29 -- State Intellectual Property Office of China has received Harbin Dongan Auto Engine patent application for Novel Single-rotor Transmission System Structure for Aviation Rotor Engine. Yao Shangqi, Zhao Guoning, Li Peihang, Jin Ziwei, Teng Hong, Lyu Zhongbin, Liu Jichen, Wang Dechun, Ma Jing, Zhao Chunyu, Zhao X..