* Double Surface Plating
With copper and nickel plating, it can pass 48 hours salt spray test，which effectively prevent rust.
* Connection Parts in Hardness Processing
The connection parts in heat treated have high hardness, it can increase wear resistance, toughness and fatigue strength to extend hinge life.
* Two Dimensional Screw
The adjustable screw is used for distance adjustment，so that both sides of the cabinet door can be more suitable.