Hi there,It is nice to write to you. This is Tinyt from Bermuda Is.. I am interested in placing your Electric Scooter hoverboard driving stability on the market.May I know more information about product such as:EINECS No.,Motor Power,Charging Time,Do you have any quality assurance certificates?Please forward any information you have available regarding the questions above.Best RegardsTinytdemekawholesale Show More