Aluminum Opening Window Features: 1) Simple structure, easy installation 2) Smooth sliding 3) Soundproof, heat insulation QUALITY HANDLE& NICE LOOKING THE CONNECTION BETWEEN THE GLASS AND FRAME IS PERFECTLY GOOD THE STRONG METAL CONSTRUCTION THROUGH THE WINDOW OPENING IN THIS WAY OR MORE OTHER WAYS ACCORDING TO YOUR NEEDSWE CAN ALSO MAKE THE ALUMINUM&WOOD OPENING WINDOWMORE COLORS TO CHOOSEWOODEN ...
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