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High quality competitive price hot sale thermal break door key chamber

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thermal break door key chamber with insulated profiles and double glass. The heat conduction coefficient K value of the broken bridge aluminum windows & doors for 3W/m2 · K, compared with ordinary windows & doors, the heat loss is reduced by half, reducing heating costs about 30%, noise reached 30 decibels, water tightness, good air tightness, looks more beautiful, strong and durable, all aspects of performance are up to the standard A1 window.

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Glass choice for thermal break door key chamber

Color choice for thermal break door key chamber