... .With iron material and bronze plated 4.We are specializing in hinges manufacture Aluminum door hinge1)This hinge ... does not require mortising of the door or the frame (a mortise is a ... there will be only a gap between the door and frame.Our factory is a professional manufacturer which ... of hinge are available, Such as piano hinge,door hinge,window hinge,gate hinge ,long hinge, box hinge, ...