So I guess some Soviet knock-off B-29's are still puttering around as AWACS for the CCP.
Nah, that has to be an old picture or a replica. The Chinese only ever made one prototype of the KJ-1, and it's not even a Chinese knockoff; they borrowed an actual Tu-4 and modified it (badly).
It looks like they slapped the engines from a Bear onto the thing, and then stuck raydomes all over the fuselage.
Close but not quite, they slapped the engines off an An-12 on it.