Chinese side: China International Airlines, China Eastern Airlines, China Southern Airlines, Hainan Airlines, AMECO, GAMECO, Xiamen Airlines, Tianjin Airlines, Eva Air, ATMB, Commercial Aircraft Corporation of China, Ltd. (COMAC), AECC Commercial Aircraft Engine Co., Ltd, China Aviation Radio Electronics Research Institute, CASIC, China Electronics Technology Group Corporation and so on.

European Side：AIRBUS, SAFRAN, THALES, AirFrance-KLM and so on.