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fire proof roll up door motor

These are related to the fire proof roll up door motor news, in which you can learn about the latest trends in fire proof roll up door motor and related information industry, to help you better understand and expand fire proof roll up door motor market.
  • 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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