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