... 2 Passed ISO9001,ISO14001,ISO/TS16949 Rotary encoder potentiometer switch for car and car manufacturer :We produce rotary encoder, potentiometer and switch.rotary ... quality, long rotary life For VOLKSWAGEN,TOYOTA,HONDA SONY,TCL.etcPassed ISO9001,ISO14001,ISO/TS16949 Rotary encoder potentiometer switch for car and car manufacturer