This door has good sealing performance ,easy to maintain. Featuring a modern profile design, aluminum casement doors deliver reliable performance and refined appearance. The hinged opening allows full access and ventilation. Combined with insulated glass and multi-lock hardware, they provide excellent security, energy efficiency, and weather resistance for everyday use. series: 118 series thermal break opening style: Casement 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 018. PVC sliding windows are engineered for effortless operation and long-term durability. The sliding design allows large glass areas for maximum daylight while maintaining good insulation performance. Resistant to humidity, UV exposure, and corrosion, these windows require minimal maintenance and perform well in both residential and commercial applications. series: 80 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 010. PVC sliding windows deliver practical performance with a clean, modern look. The sliding panels move smoothly on durable tracks, while the PVC frame provides strong insulation and weather protection. Easy maintenance and long service life make them a cost-effective choice for long-term building projects. 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 Grille design : Yes

KDSBUILDING supply factory direct sale upvc sliding window 006. Combining functionality and aesthetics, PVC sliding windows feature slim profiles and smooth sliding action. The PVC material offers excellent insulation, corrosion resistance, and durability. With optional double or triple glazing, these windows support energy efficiency and acoustic comfort in residential and commercial spaces. 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 sliding window 003. Designed for long-term reliability, PVC sliding windows offer stable performance and modern appearance. The multi-track design allows flexible opening options, while the insulated PVC profiles enhance energy efficiency. These windows are ideal for apartments, offices, and large-scale housing projects. 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 35. PVC casement windows offer excellent ventilation and clear outdoor views with their side-hinged opening design. The high-quality PVC profile provides outstanding thermal insulation, sound reduction, and weather resistance. Easy to operate and maintain, these windows are ideal for residential and commercial buildings seeking energy efficiency and long-term durability. series: 60 series PVC opening style:  inward casement(swing) 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 outer fixed window screen Grille design : no

KDSBUILDING supply factory direct sale upvc casement window 32. Designed for superior performance, PVC casement windows open fully to maximize airflow and natural light. The multi-chamber PVC frame enhances thermal efficiency, while secure hardware ensures safety. Resistant to moisture, corrosion, and UV exposure, these windows maintain stable performance and appearance over time. 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 :  no Grille design : no

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