Established in 1998, Nanjing Yun Yang Atuomotive Electric Research And Maufacture Institute( hereinafter be shorted as Yun Yang electronic) is a high-tech corporation of development and manufacture specialized in automotive mechanical and electrical integration, new technology, new product research, has a number of independent intellectual property rights of the automotive electronic products. The company is located in Nanjing's largest financial center - the Olympic CBD center, has three main departments: customer market operation center, product development and Testing Center, manufacture base. We adhering to the concept of the technology is the first and the best quality, have released series of electric bicycle brush and brushless controller, power sensor, electric bicyle stereo, professional testing equipment and so on.Our products long-term supporting exports to the United States, Britain, France, Italy, Canada, Holland, Japan, Korea, Thailand and other regions.