Shanghai Rutong Energy saving technlogy ***** located at Expo Garden, Pujiang town, shanghai city, China. Pujiang town is located at the centre of shanghai city, with convenient transportation. It is 30km far from shanghai Pudong International airport in the east, 60km from yanshang deep-water port in the south, 25km from shanghai central station, Southen station separately. Shanghai Rutong Energy Saving Technology Co. Ltd was founded in 2006, is an innotive company with integrating design, production and International Trade. Also, it has the most patents of car umbrella in China. We pursue the principle of car umbrella in China. We pursue the principle of Cooperation in the trust, innovation foremost , explore more marketing channels, increase the market share and develop with cooperate commonly; we pursue the science of high efficiency, innovation, mutual benefit principle and innovate continuously, offer customers new products and good services to creat a new international brand.