Latest design aluminum window thermal break insulation bi folding window on China WDMA Built-in Blinds 5) Style: plane

5) Style: plane

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2) 5mm double glasses is safer&more soundproof than 6mm single glass

aluminum bifold doors

Latest design aluminum window thermal break insulation bi folding window on China WDMA Built-in Blinds 5) Style: planeModel: Latest design aluminum window thermal break insulation bi folding window Profile Type: Thermal break Profile thickness: 2. 0 mm Glass: double glass, the energy saving finish is applicable Hardware: Chinese and German hardware are available Glue: Gasket or Silicone Certificate: ILAC MAR, CNAS Advantage: 1. most professional manufacturer for windows and doors 2. high quality material supplier support 3. exquisite craft for product 4. optional