Sealed-in rotors are high-performance industrial components that represent an evolution of the inlaid rotor technology. Through an innovative sealed inlay structure and composite material design, they hermetically encapsulate specialised inlay components within the base material, effectively resolving issues such as media leakage and component detachment under complex operating conditions characterised by high wear, severe corrosion and high pressure. They are widely used in sectors such as petrochemicals, nuclear power, and deep-sea engineering—sectors where equipment reliability is of paramount importance.