door hinge,steel hinge,hinges 1.made of the plstic with the black finished 2.used for door and window ... hinge,door hinge,steel hinge hinge,hinges1.made of the plstic with the black finished2.used for door and window3.long ... .have capability to manufacuture all kinds of metal hing and plstic base on custom's drawing or samples......................... door hinge,steel ...