Hunan SNTO group was establised in 2003 and has been one of Top500 enterprise in China in 2003.It includes subsidiaries of aluminum provess, aluminum tanker and trailer, logistics, hotel and real estate, education organizations, covering 2 industrial parks with total aera of 2700000sqm.Based on the complete production chain of SNTO group, SNTO Tianli auto Co., Ltd integrated domestic and abroad resources, using the advanced design and technology by reference of national aviation, hi-speed rail and passenger vehicles, set up the production plant and experiment rooms. We built a national R&D center and technology testing & inspection center successively by vehicle expert group, set up a professional platform including CAE analysis and other technologies, developed aluminum tanker trailer and fuel semi trailer, and make mass production with capacity over 5000pcs/year.