Aviation
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published Avic Huiyang Aviation Propeller patent application for Propeller Shell End Tooth Machining Device. The invention was developed by Han Donghua, Xu Tong, Ma Xinwei, Lu Zhaopeng, Li Zhizhong, He Jie, Pei Shanshan, Zhang Mengxiao, Zang Zhiyong and Zhang Shu..