Sorry but this is bogus information. WS-10 has been used on J-11B and J-16s exclusively since the 2010s and they are confident enough to use them on the J-10C, a single engines fighter.The main bottleneck, turbofan, is resolving gradually. When we started we were back compared to Tejas and Kaveri. Now we are ahead. We used to look at Kaveri and Tejas and wish we were there just 10 years ago.
China has spent 100 billion in turbofan industry and does not use a single domestic turbofan yet.
I am happy with these results. Turbofan technology does not come overnight.
China has begun fitting locally made Shenyang-Liming WS10 ‘Taihang'-series engines into its J-10 multirole fighter aircraft, images released on 2 March by state-owned broadcaster China Central Television (CCTV) suggest. A screengrab from CCTV footage released on 2 March showing a J-10C multirole