Year1
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--..Appearance: High-strength aluminum alloy door frame
--..Dynamic performance: German Siemens brake motor power< -.Power supply< /Brake voltage<
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--.. Control system: imported microcomputer frequency conversion control box (Mitsubishi < ).
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--..Control voltage: safety low voltage < D.
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--.. Opening speed: open < -./second < / close < -./second (frequency variable speed adjustable).
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--.. Door curtain material: imported high-density polyester fiber surface coating thickness < -. Colors available.
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--..Tensile strength: < //Tear strength< /.
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--..Fire protection level: German standard< D/Flame retardant.
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--..Using temperature: < -℃+℃/super cold-resistant area < -℃.
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--..Transparent window: imported< transparent crystal soft plate thickness< rectangular.
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--..Wind-resistant material: Ordinary aluminum alloy wind-resistant ribs are segmented and easy to replace.
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--..Wind resistance: < / (< standard < ).
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--..Sealing performance: The <-type air bag cloth pocket at the bottom of the door curtain can closely fit the uneven ground and the door frame is sealed with tops on both sides to prevent dust and insects.
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