Based on this background, 9th International Commercial Aero Engine Forum will be held in Taicang City, Jiangsu Province in March 27th-28th. The theme will be 'Pursuing New Energy, Exploring Key Technologies, Manufacturing Aero Engines', taking into account the basic principles of innovation-driven, green development, quality first and structural optimization, focusing on the key topic of manufacturing, to launch the technical exploration of commercial aero engines, and accelerate the application of basic research results to the third, fourth and fifth generations of civil aircraft.