The 125 Series Aluminum Lift & Sliding Door is designed for smooth operation, large openings, and modern architectural aesthetics. It features a heavy-duty aluminum profile with multi-track structure, thermal-break option, and high load-bearing rollers. Double or triple glazing (up to 32–36 mm) ensures excellent thermal and sound insulation. Ideal for villas, apartments, and commercial spaces, it offers durability, weather resistance, and seamless indoor-outdoor connection. series: 125 series thermal break opening style: Lift and Sliding Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Aluminum thermal break casement window from Xiamen KDSBuilding, 116 series profile with thermal break and double glazing system, and integrated window screen, can effectively reduce the outside, also increase energy saving efficiency, offer you and your family or office a quite and comfortable environment. series: 116 series thermal break opening style: Casement Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The casement door is a practical and elegant solution for main entrances, balconies, and backyard access. Designed with strong aluminum frames, it offers excellent durability and long-term stability, even in demanding weather conditions. Multi-point locking systems enhance security, while flexible hinge options allow for inward or outward opening to suit different spatial requirements. Double-glazed glass panels improve insulation and reduce outside noise, creating a more comfortable living environment.  series: 55 series thermal break opening style: casement Glass: 5mm+9A+5mm clear tempered glass U-Factor  ≤ 0.3 SHGC ≤ 0.23

The fixed window is designed to bring maximum natural light outdoor views into any space. As a non-opening structure, it relies on a solid aluminum  frame combined with insulated double glazing to deliver outstanding thermal and sound performance. The slim frame design allows for a larger glass area for both residential and commercial buildings. With sealed construction and multi-layer weatherproofing, fixed windows provide exceptional resistance to water, wind, and air leakage. They can be produced in large custom sizes and ideal for stairwells, living rooms, lobbies, and high-rise facades. series: 55 series thermal break opening style: fixed(non-open) Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The aluminum folding door offers maximum flexibility for creating open, unobstructed spaces with a simple folding motion. Engineered with high-strength thermal-break aluminum profiles and heavy-duty stainless-steel hinges, the system can support multiple large panels that fold smoothly to the side, allowing nearly 100% opening of the entire doorway. This makes it an excellent choice for villas, restaurants, showrooms, and any area where indoor and outdoor living need to merge seamlessly.  series: 72 series thermal break opening style: folding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The aluminum sliding door is designed to bring expansive views, abundant natural light, and effortless daily operation to any residential or commercial project. Built with high-strength aluminum profiles and equipped with precision rollers, this door delivers smooth, quiet, and stable sliding performance even after long-term use. Double-glazed insulating glass and optional thermal-break profiles significantly improve energy efficiency, making indoor spaces more comfortable throughout the year. Its slim frame design complements contemporary architecture, while the wide opening panel provides seamless indoor–outdoor flow, ideal for balconies, patios, and large openings.  series: 80 series thermal break opening style: sliding 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 is designed to combine elegant style with outstanding functionality, making it a perfect solution for modern homes, offices, and commercial spaces. Built from premium-grade PVC profiles, this window offers superior durability, corrosion resistance, and excellent insulation performance. The horizontally sliding sashes operate smoothly on precision-engineered rollers, providing effortless movement and space-saving convenience—ideal for areas where swing windows are impractical. Featuring double-glazed glass and multi-chamber PVC frame construction, it delivers exceptional thermal insulation and soundproofing, helping to reduce energy costs and create a quieter indoor environment.  series: 60 series PVC opening style: sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The PVC Sliding Door from Xiamen KDSBuilding offers the perfect combination of modern aesthetics, durability, and practicality. Designed for smooth and effortless operation, this door glides horizontally on high-quality rollers, saving valuable space while providing wide openings that connect indoor and outdoor areas seamlessly. Crafted from premium-grade PVC profiles, it delivers exceptional strength, corrosion resistance, and low maintenance, ensuring long-term beauty and performance. The door is equipped with double-glazed glass for superior insulation, effectively reducing heat transfer and outside noise while enhancing energy efficiency.  series: 140 series PVC opening style: sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23