Xi'an Aero-engine PLC is principally engaged in manufacture and distribution of aero engines. The Company provides aero products, including low-pressure compressor rotors, turbine nozzle boxes, low-pressure turbine shaft blocks, turboelectric power units and turbo-starters, among others; exporting products, including high-pressure turbine forward shafts, turbine disks, cartridge receivers, turbine blades, set collars, blades, loop-forming parts and guide vanes, among others, as well as non-aero products. As of December 31, 2010, the Company had seven subsidiaries, which involved in manufacture and distribution of aero products, construction materials, wind power generators and parts, as well as import and export of commodities and technology.