This upgraded aluminum casement and fixed window series is suitable for all commercial and residential buildings. 55 series aluminum thermal break profile can provide excellent performance and good insulation. double tempered clear glazing design can lower the energy saving performance and can provide good sight view. casement opening can offer good ventilation and fixed part can provide us safety while their have children. series: 55 series thermal break glazing: 5mm+9A+5mm clear tempered U factor: lower than 0.3 SHGC: lower than 0.23

The PVC Double Hung Window from Xiamen KDSBuilding is designed to provide versatility, comfort, and durability in one elegant package. Both the upper and lower sashes can slide vertically, allowing flexible ventilation options while maintaining excellent energy performance. Crafted from premium PVC profiles, this window offers exceptional resistance to corrosion, fading, and weathering, ensuring long-term durability with minimal maintenance. The double-glazed glass and multi-chamber frame design deliver outstanding thermal insulation and sound reduction. series: 82 series PVC opening style: Double Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15

The PVC Top Sliding + Bottom Fixed Window from Xiamen KDSBuilding offers a perfect balance between functionality, visibility, and energy efficiency. This unique dual-structure design features a top sliding sash for ventilation and a bottom fixed panel for unobstructed outdoor views and enhanced insulation. Crafted from premium PVC profiles, the window provides outstanding durability, corrosion resistance, and weatherproof performance. The top sliding sash glides smoothly on high-quality rollers, ensuring easy operation without occupying interior or exterior space. The bottom fixed section, fitted with double-glazed glass, enhances energy savings and noise reduction。 series: 80 series PVC opening style: Top sliding and bottom fixed Color: Black Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The PVC Sliding Window from Xiamen KDSBuilding combines elegant design with superior performance, making it an ideal choice for modern homes, apartments, and commercial spaces. Engineered with high-quality PVC profiles, this window offers excellent durability, weather resistance, and energy efficiency. Its horizontal sliding mechanism allows smooth and effortless operation, saving space while providing excellent ventilation and wide views. The multi-chamber PVC frame and double-glazed glass work together to enhance thermal and sound insulation, ensuring a quiet and comfortable indoor environment while reducing energy costs. The airtight sealing design prevents water and dust intrusion, even under extreme weather conditions. series: 80 series PVC opening style: sliding Color: Black Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

KDSbuilding`s UPVC double hung window produced with advanced technology, good quality material and good quality glass. Our products are customized, color, style and other. The fiberglass or stainless fiberglass screen are easy to install and clean. series: 82 series PVC opening style: Double Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15

PVC accordion folding doors are perfect for high-humidity areas such as bathrooms and kitchens. Made from moisture-resistant PVC, they won’t warp, crack, or swell like wood, ensuring long-lasting durability. Their foldable design saves space in tight interiors while offering privacy when needed. Easy to clean with a simple wipe, they are ideal for homes, hotels, or rental units where low maintenance is a priority. Their modern appearance, available in various textures and colors, blends well with ceramic tiles, countertops, and cabinets. These doors offer a budget-friendly, functional, and hygienic solution for wet-area separation in residential or commercial spaces.

The PVC tilt and turn window epitomizes versatility and modern performance in one sleek package. Engineered from premium, internally reinforced PVC profiles, it offers exceptional thermal insulation and noise reduction, making it ideal for both residential and commercial projects. Its dual‑function mechanism allows the sash to tilt inward for secure ventilation or swing fully open for easy cleaning and unobstructed egress. A robust multi‑point locking system enhances security, while high‑performance gaskets ensure superb airtightness and weather resistance. Available in a range of glazing options, finishes, and hardware styles, the PVC tilt and turn window combines practicality, safety, and aesthetic flexibility for demanding building standards. series: 60 series PVC color : white opening style: tilt and turn Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15

Our newly designed aluminum system window offers a perfect combination of modern aesthetics, structural strength, and advanced thermal performance. Engineered with a high-quality aluminum profile and precision thermal break technology, this window system delivers exceptional energy efficiency, noise reduction, and weather resistance—ideal for both residential and commercial applications. With slim sightlines, customizable finishes, and flexible opening styles such as casement, sliding, tilt-turn, and fixed configurations, it enhances natural light while maintaining security and insulation. Whether you're aiming for a contemporary façade or a minimalist interior look, this aluminum window system provides a durable, low-maintenance, and architecturally elegant solution that meets international performance standards.