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INNER DOOR
Material for door leaf: 0.6mm cold-rolled steel sheet.Single piece of inner door (1S ): 600mm≤height≤2300mm, width≤1020mm Two piece of inner door (2S): height≤2300mm, 1900mm≤width ... |
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Security door
The surface of its steel plate is firstly treated through acid cleaning and phosphonation.Then, it is primed for rust prevention. And last, different color powders are sprayed on ... |
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