Sinotrans Air Transportation Development Co.Ltd. (SINOTRANS AIR) , a limited public company, was founded on 11 October 1999 with the approval of State Commission of Economics and Trade. Its major sponsor is China National Foreign Trade Transportation (Group) Corp. which made investment in kind. Its other four sponsors are China Machinery Import & Export (Group) Co.Ltd., Beijing Capital Tourism Co. Ltd, Beijing Agriculture Indusrtry & Commerce Associated Corp. and Beijing Haicheng Telecommunication Technology Co.Ltd. which made investments in capital. The registered capital of Sinotrans Air is over 304.8 million RMB yuan.