J20 ahmmmm.....
It is a highly classified project as much of here dont know even its basic specs...
J-20 is a heavy weight aircraft and such aircraft has never been enter into PAF service ... you may look at the history... Even twin engine fighters are still not preferred to be inducted...
But for the 5th Gen PAF has two options:
1- F-35 From Lockheed, America:
"It has been revealed by Chief of the Air Staff (CAS) Air Chief Marshal Sohail Aman while talking exclusively with The News here on Wednesday evening. He said that Pakistan wouldn’t lag behind the countries of the region in obtaining the fifth generation planes and it has opened negotiations with the US manufacturers for exploring options of buying single engine multirole F-35 viewed as the plane of the next decade."
Source:
https://www.thenews.com.pk/print/78024-pakistan-to-get-fifth-generation-fighter-jets
2- J-31 possibly..
China is making its J-31 (other name FC-60) for a an export competitor to the nations who cannot afford Lockheed F-35....
Reports were that Pakistan is Interested in buying 36-40 of these fighters back in 2012 at ZHUHAI.
J-31 prototype 2 has made many nations under consideration too wait and watch its capabilities......
!Now As fanboys were saying Pakistan will surely buy J-20 fighter...Its my humble request that First oF all CHINA STATED A LONG TIME AGO THIS IS A NON-EXPORT VERSION...NO matters how close freinds are but a country never changes its own policy and dont sacrifice it for freindship...
Secondly it is JUST ALOT Well TO MUCH HEAVY for PAF..... WE ARE LOOKING WHAT WE NEED...
NOW THERE ARE TWO RIValS IN THE FIELD:
1-F-35
2-J-31
PLZ MAKE THEM UNDER CONSIDERATION AND GIVE YOUR ANALYSIS ABOUT THEM.
@MarvellousThunder@PDC