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steel shop door,industrial metal doors and frames,commercial metal entry doors

The steel fireproof door has a good airtightness, and it is closed in place and locked tightly, so that no cracks will be left in the door and the cooling and heating will overflow. The steel fireproof door pulley, track and other easily worn accessories are high-quality hardware, and the number of uses has passed strict testing to ensure the service life of the product.

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