... Passed ISO9001,ISO14001,ISO/TS16949 2 high quality with good price We produce rotary encoder , potentiometer and ... for musical instruments, audios,medical equipment, Walkie talkie,DVD,GPS navigation,toys ,automotive accessories (car amplifiers) Volume Control , ... ISO9001,ISO14001,ISO/TS16949 Rotary switch ,encoder,potentiometer with switch .Key Specifications/Special Features: Total rotational angles ...