According to the manufacturer, Aviation Industry Corporation of China, the J-20S is the first and only model of a twin-seat stealth combat aircraft in the world. It is a variant of the J-20, China's first stealth fighter jet comparable to the U.S. Air Force F-22 Raptor.

China’s flagship stealth fighter, the J-20, was also part of the aerial display, while on the ground, a half-size model of the two-seater variant of the aircraft, the J-20S, was on show, alongside full-size models of the short-range PL-10E combat missile and the PL-15E active-radar-guided air-to-air missile.