Shanghai Rutong Energy-Saving Technology Co., Ltd. was founded in 2006. Our firm is an innovative company integrating design, production and International Trade. Also, our firm has the patents of car umbrellas in China. We comply with the standard of car umbrellas in China. We pursue the principle of 'Cooperation based on the trust, innovation foremost', explore more marketing channels, increase the market share and develop with clients commonly; we pursue the tenet of "high efficiency, innovation, mutual benefit", innovate continuously, and offer customers new products and good services to create a new international brand.