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 004. PVC sliding windows provide a practical ventilation solution with minimal maintenance. The sliding mechanism ensures easy operation, while the PVC frame maintains its shape and color over time. These windows are well-suited for coastal areas and humid environments due to their strong weather resistance. 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  :  NO Window Screen :  With removable screen Grille design : Yes

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