Quzhou Superfone Technology Co., Ltd is one branch of Superfone Group. We are specializes in manufacturing and international trading, Our products are self-balancing solowheel. We have a set of scientific and perfect management systems ranging from product design, raw material procurement, production process to after-sales service of each area. Our products are exported to Japan, Korea, Europe, North America, Southeast Asia and other countries and regions, and have been recognized by ...