... Passed ISO9001,ISO14001,ISO/TS16949 2 high quality with good price We produce rotary encoder , potentiometer ... DVD,GPS navigation,toys ,automotive accessories (car amplifiers) Volume Control ,interphone,sport equipment communication equipment, computer /multimedia ... ISO9001,ISO14001,ISO/TS16949 Rotary switch ,encoder,potentiometer with switch .Key Specifications/Special Features: Total rotational ...