Airbus COO-Customers John Leahy said the manufacturer has agreed to sell 280 additional aircraft to Chinese airlines. He was in Tianjin earlier this week to mark the opening of the newest A320 Family Final Assembly Line. According to multiple news service reports, Leahy said as many as 160 of the new aircraft orders could be approved by Beijing and officially announced by year end. They will help Airbus tally about 850 total orders for 2008, he added.