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elevator smoke blocking curtain

A list of these elevator smoke blocking curtain articles makes it easy for you to quickly access relevant information. We have prepared the following professional elevator smoke blocking curtain, hoping to help solve your questions and better understand the product information you care about.
  • The basic function of smoke curtain
    The basic function of smoke curtain
    What is the basic funtions of smoke curtain?1-Manually control the upward, downward and stop functions of the smoke curtain2.Automatically working:a. When the smoke curtain controller receiveds the action signal of the smoke sensor, it will automatically descend to it's working position.b .When t
    2022-10-17
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