The membrane switch is a control system that integrates the button function, the indicator component, and the instrument panel. It adopts PC, PVC, PET, FPC and double membrane switch, which is a control system integrating button function, indicating component and instrument panel. It adopts PC, PVC, PET, FPC and double membrane switch, which is a control system integrating button function, indicating component and instrument panel. Is using PC, PVC, PET, FPC and double