white upvc single hung window (115) Sport online manufacturer
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Maintenance and Cleaning: American UPVC sliding windows: easier to maintain and clean, conventional UPVC sliding windows: may require more maintenance due to complex design
Security: American UPVC sliding windows: anti-slip and anti-swing devices, conventional UPVC sliding windows: multiple locking mechanisms, higher security
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유리: 5+9+5 템퍼드 글라스 또는 다릅니다
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