... 225 2.Material: zinc-plated low carbon steel ,concealed hinge, 3.simple and convenient to install 1.Model:CL- ... steel, nickel-plated,concealed hinge,3.zinc plated low-carbon steel concealed cabinet door hinge4.Materials and surface treatment Hinge: cold-rolled ... : carbon steel, passivated5.Uses: interior concealed hinge, installation is simple and convenient, welding hinge fixed at the door, the door ...