... ),Website:http://www.sz2wheels.com, a product safety certification company based in the United States, and obtained UL 2272 ... excess demand, or shortage of supply. Further, recent advance in technology has made the hoverboard as light as about 11 ... the Hoverboard UL2272 Certification. As a hoverboard manufacturer, Imuse Technology Limited has always embraced such values as integrity, fun, excellent ...