Spirit Evergreen Aftermarket Solutions Co. Ltd. (SEAS) located in Taiwan, founded in 2021, is a joint venture between Spirit AeroSystems, Inc. (SPIRIT)and Evergreen Aviation Technologies Corp (EGAT) Combining SPIRIT composite expertise and EGAT aircraft maintenance capability, SEAS is the maintenance hub of the Indo-Pacific for Nacelle components such as Inlet Cowl, Fan Cowl, Thrust Reverser, and Flight Control Surface component to support the major airlines in the region.

SPIRIT AEROSYSTEMS, Inc. (SPIRIT) is located in Wichita, USA, and is the major manufacturer of Boeing, Airbus and USA Government on Airframe, Nacelles and flight controls products.  Spirit also set up the aftermarket MRO services to support its products at Wichita, Dallas, Belfast (UK), Morocco and Taiwan.