Cushion elongation used to adjust the motor is mainly moving screw motor, there are also a few models in the use of planetary gear motor. Headrest adjustment motors are basically screw motors, and the torque input is generally relatively small. Supply ability: 50000pcs/mouth. Min Oder Qty: 3000pcs/mouth. Port: NINGBO/SHANGHAI CHIAN. Payment terms: T/T or L/C. Packing standard: Factory standard packing plus export paper or wood tray.