Exterior Steel Doors

Exterior Steel Doors

When purchasing steel, consumers should pay special attention to check for welding defects, such as open welding and leakage welding. Also check whether the door leaf and the door frame are closed, whether the gap is uniform, and whether the opening is flexible. The exterior steel doors have the...

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When purchasing steel, consumers should pay special attention to check for welding defects, such as open welding and leakage welding. Also check whether the door leaf and the door frame are closed, whether the gap is uniform, and whether the opening is flexible.


The exterior steel doors have the following features: multi-layer composite, special sound insulation structure, and can withstand high temperature and pneumatic load.


The high-speed development of industrial steel and steel has inevitably increased the degree of noise pollution.


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