fire proof sliding doors,34 inch fire door,34×80 fire rated door
The fire door has the characteristics of heat insulation, fire prevention and inhibition of fire spread. The interior is filled with fireproof perlite, and the surface is electrostatically sprayed. The fire resistance time of fire doors is divided into grades and materials, including 1h, 1.5h, and 3h. Welcome to consult us.
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