No my friend JF-17 is a light fighter jet which is a multirole fighter but mainly used by Pakistan for ground attack. Where as J-10 b is an air superiority monster with good interception capability
here is the News and source below: No one can challenge this. It is official website now try to prove me wrong any one.
- FC-20 / J-10B Fighter Jet. PAF is also in process of receiving its first FC-20 / J-10B fighter jet which is powered by indigenous WS-10 engine.
https://www.ispr.gov.pk/front/main.asp?id=85&o=t-article
@Army research the contract is signed and research was being made on J-10b to integrate it with WS-10 engine after all the trails have been done and project is proved successful Pakistan is going to get the jets.