Aeroengine manufacturing technology is called "the crown of manufacturing" and "flower of industry". The turbine blade manufacturing technology of the power source is called the “Pearl of the Crown”. The core component of an aero engine is "one plate and two pieces" (turbine disk, guide vanes and working blades). The overall leaf disc is an extremely critical component of the four-generation engine, representing the fourth- and fifth-generation aero engine technology development direction, and is a mandatory structure for advanced engines. After years of research, Hanfei has overcome three technical difficulties in the field of aero-engine: the adaptive processing technology and equipment of turbine blade film hole, the micro-stress multi-axis composite processing technology and equipment of the whole leaf disk, research and development and built an advanced Aeroengine single crystal turbine blade intelligent processing production line. This production line has processed single crystal turbine blades for many new types of aerospace engines in China.