1. The frame is welded with high-strength A3 steel, and electrostatic spray after two degrees of phosphating. 2. The rear-flip armrest and removable footrest are convenient for users to get on and off the wheelchair from the side. 3. The brake structure adopts the knuckle brake device, and the brake device is lower than the seat surface after braking. 5. The foot pedal is locked with an eccentric device to facilitate height adjustment. 6. Install a safety device for training wheels to assist in preventing the wheelchair from tipping over during driving. 7. Seat cushion/back cushion: made of flame retardant Oxford fabric sewn and formed. Built-in middle sandwich up to 600d canvas with high tensile strength. 8. Extra-wide seats.