A consortium of Mitsubishi Corp and a Japan Airlines Co affiliate has signed a concession agreement with the Myanmar government to operate the country's second-largest airport, Mandalay International Airport, for 30 years, a statement from the consortium said Monday. JALUX Inc, Mitsubishi Corp and Yoma Development Group Ltd, a wholly owned local subsidiary of Yoma Strategic Holdings Ltd, signed the agreement with the Department of Civil Aviation at a hotel in Yangon on Sunday in a ceremony attended by senior officials led by the transport minister, the statement said.