Sir with respect Mr
@Asoka acting like a 8 year old kid and against Chinese senior members like you and contradictions his own words, you guys currently provide a prove that engine on the J-20 is now WS-10B or IPE, ,
@Asoka insisting that J-20 had been using WS-15 from it first flight then
@Asoka change his views and telling forum J-20 using WS-15 since 2014 i ask him to prove it but
@Asoka provide nothing, same is here, he acting like a 8 year old kid,
@Asoka always right and knows everything about J-20/WS-15 development
senior Chinese members like
@grey boy 2 ,
@Beast ,
@ChineseTiger1986 ,
@wanglaokan ,
@cirr ,
@cnleio know nothing about the J-20/WS-15 developments