PTC heater charged surface is a kind of power and cooling needs of hair pieces do not live in the PTC heater.PTC components installed in the tube and with the tubes inside the insulation, outer tube with fins off or trough-shaped heat sink.With safe, reliable, power stability, low noise, long life and good mechanical strength.As security, performance, mainly used in heating and cooling air conditioners, heaters, disinfection cabinet, dryers and other high-power home heating devices.