Negotiations stagnated as the Shenyang Aircraft company sought to reduce Russian content in the aircraft, while Sukhoi wanted to ensure a level of income from future upgrades and modifications made to the J-11.
Yderligere forhandlinger med kineserne strandede, da Shenyang Aircraft forsøgte at reducere omfanget af russiske dele i flyet, hvorimod Sukhoi ønskede sig indtægter ved fremtidige opgraderinger og modifikationer til J-11.