The whole vehicle adopts high-intensity stainless steel pipe (seat frame and pedal frame are made of high-intensity steel pipe). Surface bright treatment / spray treatment, with anti-aging / oxidation characteristics; Back folding push handle, back folding convenient for users to eat, no need to transfer position, can be equipped with quick disassembly plate; Liquid pressure pump control lifting, free bending operation, seat height adjustable 100mm, suitable for different groups of people, while pedal is equipped with a limit block to help control liquid pressure pump lifting, to prevent liquid pressure pump misoperation.