... supply hinge as client's request 4.We are manufacturer of hinge Long piano hinge 1)Use on piano , cabinet ,equipment cabinet ... .4) If you are interested in it ,please contact us,we will do our best to meet your requirement.THANKS LengthFrom 50 ... hinge,door hinge,window hinge,gate hinge ,long hinge, box hinge,truck hinge etc.we also produce accessories of hardware.If you ...