Shandong Homand Security Technology Co., Ltd.
Steel fireproof rolling shutter
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Special grade seamless fabric fireproof rolling shutter door
Its structure consists of thick wooden boards with single or double sided asbestos boards and iron sheets.
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Steel fireproof rolling shutter
Some wood materials are treated with fire-resistant impregnation and are mainly installed at the entrances of stairwells, lobbies, and fire elevator lobbies.
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Steel fireproof rolling shutter
Its structure consists of thick wooden boards with single or double sided asbestos boards and iron sheets.
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