rotary encoder switch: 1 Passed ISO9001,ISO14001,ISO/TS16949 2 high quality with good price We produce rotary encoder , potentiometer and switch.08 mm rotary encoder,potentiometer and switches for musical instruments, audios,medical equipment, Walkie talkie,DVD,GPS navigation,toys ,automotive accessories (car amplifiers) Volume Control ,interphone,sport equipment communication equipment, computer ...