It is a Rotating Axis Hinge in showcase system. The screw of the hinge is fixed into the groove of the extrusion and the upper is used to clamp the glass door. It is used for side- open glass door. It is an essential component in the construction of a pulling pushing door. With this hinge plate fixed door it is possible to open and close it at will. It weighs 0.034kg per each. It is made of steel. The products of LingTong are green and environmentally friendly. If there are some relative needs, LingTong will provide the best service for you in exhibition construction.