Make from Aluminum alloys, this door hinge durability and corrosions resistance, ensuring long terms The Concealed design of this door hinge ensures elegant and seamless appearance, blending seamlessly with your door design Designs to fit various door types, easy installation Equipped with a damping rebounds feature, this hinge ensures a soft and gentle touch on your door This spring hinge automatic door closing capability, providing convenience and ease of use for home or, Manufacturer: BULAIDAI