· Pratt & Whitney / U.S.A

· SAFRAN GROUP / SAFRAN AIRCRAFT ENGINES / France

· SAFRAN GROUP / SAFRAN TRANSMISSION SYSTEMS / France

· SAFRAN GROUP / SAFRAN AERO BOOSTERS / Belgium

· Mitsubishi Heavy Industries 、Kawasaki Heavy Industries / Japan

· MTU Aero Engines AG / Germany

· GE Avio S.r.l / Italy