AB door hinge, which are inset (mortised) into the door and frame. Most residential hinges found in the U.S. are made of steel, although mortise hinges for exterior doors are often made of brass or stainless steel to prevent corrosion.
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TDC hardware was established since 1987, after thirty years of arduous struggle, we has accumulated rich experience in production, and trained a group of professional and technical staff along with strong technical strength, strict management system, advanced detection means. There are 100 sets of various types of punching machines, more than 50 sets of pressure meter CNC lathes and more than 30 sets of supporting equipment.