This is somewhere Chinese diplomacy will come in handy. Chinese need to convince the Arabs that they need weaponry which can counter the US and it's North Atlantic Terrorist Organization alliance. Especially with Islamophobes like Donald Trump having high prospects of becoming the next US president, these Arab states need to prepare for the worst and for that Chinese can serve their interests well. China should launch a rigorous 5th gen fighter jet campaign in the Arab world, as even they know that they wont be getting their hands on the F-35 anytime soon. J-31 is probably their best bet at stealth ac.