... ISO9001,ISO14001,ISO/TS16949. 2.Rotary life :100000 cycles 3.LJV We produce rotary shaft video encoder, potentiometer and ... switch.rotary encoder,potentiometer and switch for musical ... other electronic equipment and household appliances.High quality, long rotary life For VOLKSWAGEN,TOYOTA,HONDA SONY,TCL.etcPassed ISO9001, ...