Business Products Aero Engine Maintenance Aero engine repair from disassembly to assembly/test is conducted including technical instruction issue, spare parts procurement, complete quality assurance and customer service from the point of "customer satisfaction first". Support for New Engine Parts Manufacturing MHI Aero Engine Service supports some manufacturing processes of new engine parts production by Mitsubishi Heavy Industries and Mitsubishi Heavy Industries Aero Engines, Ltd. Sales of Genuine Parts Genuine OEM spare/replacement parts are stocked and delivered within a few days after receiving customer order. Also genuine OEM parts not stocked or tool shall be procured and delivered in a short lead time. Gas Turbine Package Field Maintenance MHI Aero Engine Service conducts field maintenance service for the high performance Gas Turbine Package manufactured by Mitsubishi Heavy Industries.