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Product Origin:China
Brand Name:Royal
Price Terms:
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Certification:ISO9001
Description:Features: 1) Utmost energy efficiency and insulation offered by 4-cavity and 3-seal design 2) Stronger reinforcement offers higher wind-load resistance 3) A European window style meeting latest European Standards and structural codes 4) Aluminum alloy sash screen can be installed and removed from interior to facilitate operation 5) Superb water and air tightness 6) A unique hidden drainage system 7) Multiple glazing options: 10mm, 22mm, 27mm and 39mm glasses