On November 23, 2023, good news was announced from the China Aerospace Power Development Conference in Zhuhai that Hunan Yipeng Aviation Technology Co., Ltd. in Chaling and China Aviation Engine Hunan Power Machinery Research Institute have successfully signed a contract worth 12 million yuan for the procurement and technical services of AES20 engine hybrid systems.

Hunan Yipeng Aviation Technology Co., Ltd. is a high-tech enterprise specializing in the research and development, production, and sales of drones, drone technology development, and technical consulting in Chaling County. Since its establishment, the company has always been driven by technological innovation, and has independently developed multi rotor oil electric hybrid heavy-duty unmanned aerial vehicle technology. The piston engine of the car is transformed into an aircraft engine, and then the engine is equipped with a generator to power the unmanned aerial vehicle. This is currently the only company in China that develops and transforms automotive engines into aviation engines, and has obtained national technology invention patents and utility model patents. This technology is currently at the leading level in China and ranks among the top in multi rotor hybrid heavy load unmanned aerial vehicles.