Sukhoi Su-35 2015 when the first export contract was signed with China; by then, the Russian government had placed a follow-up order for 50 aircraft. Apart from the launch order at the 2009 MAKS Air Show, the Russian government and the state-owned VEB development bank agreed to provide Sukhoi with capital for the aircraft's production. In November 2009, KnAAPO (which was renamed KnAAZ in 2013 after it became part of the Sukhoi Company) started manufacturing the first production aircraft, the general assembly of which was completed in October 2010; by then, pilots and engineers had successfully completed preliminary tests of the aircraft's
Sukhoi Su-57 produced, and some believe it to be an implicit announcement of the project's cancellation. The slowing of procurement could be because of the current slow growth of the Russian economy, while the future patches' procurement are for an unknown future; the Russian military could be waiting for the more powerful Saturn izdeliye 30 engine to be ready for serial production. On 22 August 2018, during the International Military-Technical Forum «ARMY-2018», the Russian Ministry of Defence and the JSC Sukhoi signed the first contract for delivery of two serial Su-57s. The contract should be finalized between 2018 and 2020. The prototype's