KDSBUILDING supply factory direct sale upvc sliding window 023-2. PVC sliding windows combine modern design with practical functionality. The multi-track system enables flexible ventilation, while the PVC frame ensures energy efficiency and durability. These windows are easy to operate, simple to maintain, and suitable for apartments, offices, and high-rise buildings requiring reliable performance and clean aesthetics. series: 60 series PVC opening style: Top sliding and bottom fixed Color: White Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

KDSBUILDING supply factory direct sale upvc sliding window 011. Engineered for comfort and efficiency, PVC sliding windows allow natural light and ventilation without sacrificing interior space. The multi-chamber PVC profiles improve thermal and acoustic performance, while secure locking systems enhance safety. They are suitable for residential homes and high-traffic commercial environments. series: 60 series PVC opening style:  sliding  Color: white Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  Yes Window Screen :  With removable screen

KDSBUILDING supply factory direct sale upvc casement window 30. Designed for superior performance, PVC casement windows provide wide openings for maximum airflow and clear outdoor views. The multi-point locking system ensures security, while the insulated PVC frame improves energy savings. Durable and weather-resistant, they maintain stable performance and appearance over long-term use. series: 60 series PVC opening style:  casement and fixed Color: wood grain Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Window Screen :  With  screen Grille design : no

KDSBUILDING supply factory direct sale upvc casement window 22. PVC casement windows combine classic operation with modern materials. The outward or inward opening design allows flexible ventilation, while the insulated PVC profile reduces heat loss and noise. With low maintenance requirements and strong durability, they are suitable for homes, apartments, and commercial projects. series: 60 series PVC opening style:  casement with top arch fixed Color: white Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Window Screen :  no Grille design : Yes