English 
Wheelchairs are an important tool for rehabilitation. Wheelchairs are not only a means of transport for physically handicapped and people with reduced mobility, but more importantly, they are able to exercise and participate in social activities with the help of wheelchairs.
Ordinary wheelchairs generally consist of a wheelchair frame, wheels, brakes and a seat. The hand-cranked wheelchair is based on an ordinary wheelchair and adds a hand-cranking device. The electric wheelchair is based on an ordinary wheelchair, and an electronic assist system is added to reduce the physical exertion of the user. Based on the electric wheelchair, the intelligent wheelchair adds positioning movement, standing movement, remote control movement and related Internet + assisted living.