R05E means "East An Power's first rotary engine R05E successfully ignites" in English.

On December 19, the first R05E prototype of Dong'an Power Turbocharger Engine Platform was successfully ignited at the Dong'an Automobile Power Co., Ltd. augmented power system research institute in Harbin. It is reported that this product can be widely used in the low-altitude economic field and is planned to be mass-produced in 2027.