... when swing 4,color won't change 5,look nice medical equipement gooseneck ItemsSC-006MaterialSpring wires & galvanized iron wire or ... and lantern, lighting, microphone, headset, earphone, camera, USB products, medical and detection equipment, consumer electronics, decoration, baby invention , toy and ... the all kinds of the gooseneck.2, With high technology we can produce from OD 2mm to 30mm gooseneck, ...