... switch. Passed ISO9001,ISO14001,ISO/TS16949. We produce rotary encoder, potentiometer and switch.rotary encoder,potentiometer and switch for musical instruments,audios,medical equipment ... ,HONDA SONY,TCL.etcPassed ISO9001,ISO14001,ISO/TS16949 ENCODER:High quality and long rotary life Confirmed by VOLKSWAGEN,TOYOTA,HONDA SONY,TCL ...