The whole vehicle is made of high strength steel pipe, with beautiful appearance, high strength and good stability. The surface is treated by spraying, with anti-aging / oxidation characteristics; Backrest cushion: Plastic backrest and armrest are molded in one piece, beautiful in appearance, smooth and waterproof, and high in comfort. Can be equipped with adjustable safety belts to prevent users from dumping in front; Double swing linkage control column, labor-saving and synchronous lifting.