Airbus has secured an order for 55 aircraft from two Chinese airlines, including 15 widebody A350 jets, strengthening the European giant’s widebody sales in the world’s second-largest air transport market. Air China, one of the country’s three major state-owned carriers, announced the deal on Friday. The flag carrier said it would purchase 15 A350-900 passenger jets, while its subsidiary Shenzhen Airlines would acquire 40 narrowbody A320neo aircraft. The new-generation A350-900 and A320neo...