According to military sources, China will begin mass production for the improved variant of the 5th generation J-20 aircraft.

The new variant, called j-20B, says Russian-made Saturn AL-31 jet engines are used because the development of the WS-15 engine designed by China with local sources is not completed.

The WS-15 engine, which is expected to complete the development phase in about two years, is also one of the descriptions of military sources that it cannot meet the requirements for the platform.

According to reports, Chengdu Aerospace Corporation (CAC) currently has a 4 production lines, which has a combined production capability to produce 4 J-20 aircraft a month.