... 1 Passed ISO9001,ISO14001,ISO/TS16949 2 high quality with good price We produce rotary encoder , potentiometer and ... products, VCD players and DVD players, and other electronic equipment and household appliances. High quality, long rotary life ... etcPassed ISO9001,ISO14001,ISO/TS16949 Rotary switch ,encoder,potentiometer with switch .Key Specifications/Special Features: Total rotational angles: ...