Vietnamese budget carrier VietJet Air has agreed to lease as many as 10 Chinese-made C909 regional passenger jets, giving a lift to their manufacturer’s goal of vying with Airbus and Boeing in overseas civil aviation.VietJet said in a statement on Thursday night it had agreed with SPDB Financial Leasing, a subsidiary of Shanghai Pudong Development Bank in China, to finance the aircraft through operating leases. Commercial Aircraft Corporation of China (Comac) makes the jets that are the subject...