continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for 1600w Electric Scooter, Electric Bikes And Trikes , Electric Motor Trike , Pedal Assist Tricycle ,Battery Powered Tricycle For Adults . We are looking forward to forming successful business relationship with new clients in the near future! The product will supply to all over the world, such as Europe, America, Australia,Czech Republic, Boston,Portugal, Malawi.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information if you have any questions. We are glad to work for every client.