Cenbird electric bicycle was founded in the Millennium full of opportunities and challenges. After more than ten years of development, the company has a considerable scale and influence, and now has two major production bases in Jiangsu and Tianjin, Jiangsu production base covers an area of more than 40,000 square meters, plant more than 30,000 square meters. The Tianjin production base covers an area of 4 square meters and more than 3.8 square meters of factory buildings....