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Aluminum double glass single pane casement french custom windows
1. One-piece invisible drainage system, flat frame inside and outside, improves appearance 2. Screen fan comes standard with silicone R-shaped chamfering process, safe and anti-collision; 3. Standard black warm edge strip hollow aluminum strip; 4. EPDM automotive grade sealing strip, super strong sealing; 5. Openable guardrail design to ensure family safety in emergency 6. Applicable to mid-to-high-end industrial or home decoration market.
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