An official from Radio-Electronic Technology Concern (KRET) disclosed that the Su-35 fighters bought by China will not have their display readout translated into Mandarin and will stick to the original Cyrillic script.
By Dmitry Terekhov from Odintsovo, Russian Federation (Sukhoi Su-35S) [CC BY-SA 2.0], via Wikimedia Commons
Givi Janjgava added that the only request China made was to have the BeiDou satellite navigation system installed on those fighters.