Shenzhen King Song Sports Equipment Co., Ltd is a hi-tech manufacturer specializing in King Song brand one wheel/ two wheel scooters. King Song started researching self balancing scooters business since 2012, through continual studying from domestic and oversea professions combining absorbing professional designers ,finally, King Song formed complete production line: electric unicycle/ E-scooter/ two wheel balance scooters, and keep track of market tredency to keep refresh for our customers.