China’s three major state-owned airlines put off delivery of more than 100 aircraft from Boeing and Airbus last year — but kept every single order from Commercial Aircraft Corp. of China in a show of support for the domestic manufacturer during the coronavirus pandemic. Their choice highlights COMAC’s strategic importance. But given the dominance of the American and European behemoths, the Chinese airlines are expected to fulfil most of their orders in the coming years as a recovery of their domestic aviation market is way ahead of the others.