HNA Group plans to buy 100 ARJ21 and 200 C919 gradually in the coming days as the debt-ridden company is expected to strengthen cooperation with COMAC. According to the strategic cooperation agreement signed between HNA Group and COMAC on June 2, HNA Group will use these Chinese produced ARJ21 and C919 to be committed to exploring the Chinese regional market, improving the business model of the regional carrier and building the national regional route network, as well as further exploring ...