Aviation
| Thu 05 Nov 2026
Beijing, Nov. 5 -- Qinghai Yellow River Upstream Hydropower Dev Co Ltd Gongboxia Power Generation Branch has been granted a patent for Stable Rectangular Aviation Plug Mechanism. This invention was developed by Zhao Cheng, Zhang Chao, Wang Congping, Liu Chiqing, Zheng Xiao, Liu Kun, Lu Xiaojun, Zhao Chengyan, Zhang Weitao, Han J..