More details have emerged on this stealth UCAV...
It's called CH-7, a part of the Rainbow series of UCAV. It's a high-altitude, high-speed, long-endurance, stealthy surveillance and strike platform capable of operating under high-intensity conditions. It's also capable of cooperative engagement, namely designating targets and directing other weapon systems to strike said targets.
Length: 10m
Wingspan: 22m
Cruising Altitude: 10-13km
Cruising Speed: Mach 0.5-0.6
Top Speed: Mach 0.75