Airbus Group SE, the chief rival of America’s biggest exporter Boeing Co., asserted its bona fides as a U.S. manufacturer a week before Donald Trump assumes the presidency after a campaign spent complaining about unfair trade. Having a factory in Mobile, Alabama, that employs more than 1,000 people making A320 single-aisle jets shows Airbus’s commitment to the U.S., one of the biggest markets for its aircraft, Fabrice Bregier, who runs the European planemaker’s jetliner arm, said in an interview Wednesday.