On Jan. 8, an official signing ceremony of ARJ21-700 procurement agreement was held in Vientiane, Laos, marking a major milestone in the overseas market development of China's homegrown ARJ21 regional jet project. Sources told CARNOC.com that the agreement involves Commercial Aircraft Corporation of China (COMAC) selling 2 ARJ21-700 jets to Lao Airlines, the first foreign client for COMAC's ARJ21 project.