It is the PL-15 rocket.
It can be transported by the country’s fighter jets, J-10, J-11, J-16 and J-20.
This is a long-range missile of 300 km and will be able to hit air targets.
It has much more autonomy than the corresponding American AIM-120 missile that can hit targets up to 180 kilometers.
It is 4 meters long and can travel at Mach 4 speed (4 times the speed of sound).
It is a weapon that sounded the alarm in the US ‘camp’.
It entered service in 2016.

[Source: http://www.nationalinterest.org, en.wikipedia.org]