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"Aluminum Flexible" Introduction
　　　A building material to thin steel wire for the skeleton, including the aluminum foil for high-rise building ventilation, for example, in the central air conditioning on. Another is to use two layers of aluminum foil intermediate fill glass wool, so they can be through its internal play the role of air insulation, so this is also called insulation hose its specifications are: ten centimeters, 15 centimeters twenty centimeters and so on.
 
 

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