F-WHEEL Self-balancing Electric Unicycle, which was a Sino-German joint venture corporation founded in 2012 in Germany. It is a high-tech company that operates on product manufacturing, researching and development, as well as sales and marketing activities. F-WHEEL is on a mission to realize intelligent green travel industry and boost the improvement of human transportation situation. F-WHEEL dedicates to researching and developing the intelligent self-balancing electric unicycle, owning a large quantity of patents. F-WHEEL has founded three researches operation base before its foundation. In high-tech city (Shenzhen) it has also founded R&D and production base. Meanwhile,(Shenzhen Counterbalance Technology Co.,Ltd), as a subsidiary of F-wheel, has invested a large part of money in building the top workshop, expanding and developing the R &D team. In international city (HongKong), this trading company (Counterbalance Technology (HK) Co., Ltd) operates