AviChina Industry & Technology Company Limited engages in the development, manufacture, and sale of civil aviation and defense products in Hong Kong and internationally. It operates through three segments: Aviation Entire Aircraft Business, Aviation Ancillary System and Related Business, and Aviation Engineering Services Business. The company is involved in the manufacture and sale of defense and civil aviation products, such as helicopters, trainer and general-purpose aircrafts, and regional jets; and aviation ancillary system products, including connectors, mechanical electronics, avionics products, and its accessories. It also offers component products, including optical and electrical interconnection components, cable assemblies, system interconnection equipment, and fluid devices and equipment that are used in aviation, aerospace and other military fields, communications and data transmission, new energy vehicles, rail transportation, consumer electronics, industry, energy, medical care, intelligent equipment, and other civilian manufacturing areas; and avionic system/equipment for military aircraft, such as avionic and flight control systems. In addition, the company provides aircraft power systems, which include power distribution, secondary power supplies, generators and controllers, and circuit breakers; fire prevention systems; environmental control systems that comprise sensitive components and sensors; engine ignition systems and accessories; and other aviation related investment activities. Further, it offers aviation engineering services, such as planning, design, consultation, construction, and operation services. The company was incorporated in 2003 and is based in Central, Hong Kong. AviChina Industry & Technology Company Limited is a subsidiary of Aviation Industry Corporation of China, Ltd.