Yiiboard, our main product, belongs to the latest two-wheeled electric skateboard under the Yiimix brand. In addition to its unique physical appearance, it has obtained many national invention patents. Yiiboard serves a dual function of transportation and entertainment. It also satisfies the needs for waterproof and anti-compression, and it can be well adaptive to different road conditions. The two-wheeled design generates more flexibility and stability for the product. In the meanwhile, in order to be carried easily, Yiiboard weigh only about 6kg, but it still generates an ultra-long-mileage of 20-30 km.