Beijing Kailan Aviation Technology Co., Ltd. has been operated by CAS as an internal investment platform and has exercised full investment, controlling or holding shares of 8 aviation manufacturing and MRO enterprises. It has been operating in the business areas of airplane brake system sales and wheel brake repairs, avionic and mechanic accessory repair, parts surface treatment, composite materials repair, airframe overhaul, manufacture of aviation components and technical consultation. Beijing Kailan Aviation Technology Co., Ltd. has become a comprehensive large-scale enterprise whose total assets have been in excess of 3 hundred million RMB.