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2 hour fire rated roll up door

These are related to the 2 hour fire rated roll up door news, in which you can learn about the latest trends in 2 hour fire rated roll up door and related information industry, to help you better understand and expand 2 hour fire rated roll up door market.
  • Classification of fireproof rolling shutter door
    Classification of fireproof rolling shutter door
    The fireproof rolling door is divided into two series: composite smoke proof type and common type, and there are five types of curtain board sections to choose from. The material is made of high quality cold-rolled hot galvanized fireproof special strip steel, the belly is filled with hanging alumin
    2023-05-05
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