EnglishViews: 37 Author: D&D Hardware Publish Time: 2018-01-17 Origin: D&D Hardware
There are four structures classification of steel door in the article. We can learn about the form welding, paper card honeycomb, stiffened door and solid core.
1.The Form Welding of Steel Door
2.Paper Card Honeycomb Steel Door
3.Stiffened Steel Door
4.Solid Core Steel Door
D&D HARDWARE has over 12 year's experiences manufacturing & suppling architectural hardware products for Metal Doors in China, Our products include Stainless Steel Door Hinges, Door Locks, Lever Handles, Door Closers, Exit Devices, Door Stoppers, Door Bolts and Door Accessories etc, not only door hardware but also Door Opening solution.
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