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. Weatherstripping and multi-point locking systems enhance security and ensure long-lasting resistance against wind, water, and air infiltration. Tailored sizes, glass options, hardware choices, and color finishes allow architects and homeowners to customize the door to match project requirements. KDSBuilding’s aluminum sliding door represents a perfect balance of durability, aesthetics, and performance, elevating both the functionality and elegance of modern living environments.

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. The airtight sealing design prevents air, water, and dust infiltration, ensuring comfort in all weather conditions. With a clean and modern look, the PVC Sliding Window is available in multiple colors and finishes to match different architectural styles. Easy to clean and requiring minimal maintenance, it remains beautiful and functional for years. Certified under NFRC and CE standards, KDSBuilding’s PVC Sliding Window provides a high-quality balance of durability, efficiency, and aesthetic appeal, making it an excellent choice for any building that values both practicality and modern design.

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. Its advanced weather-sealing system prevents air and water infiltration, maintaining a comfortable and secure indoor environment throughout the year. Available in a variety of colors and finishes, including classic white and woodgrain options, the PVC Sliding Door complements diverse architectural styles—ideal for balconies, patios, and large entrances. Certified by NFRC and CE, it meets strict international standards for safety, performance, and sustainability. Combining contemporary style with functional design, KDSBuilding’s PVC Sliding Door enhances any space with elegance, natural light, and easy operation, making it a top choice for modern residential and commercial projects.

The PVC Hand Crank Casement Window from Xiamen KDSBuilding delivers exceptional performance, style, and user convenience for today’s architectural needs. Designed to open outward with a smooth and durable hand crank system, this window allows precise control of ventilation and easy operation, even in large or hard-to-reach spaces. Made from high-quality PVC profiles, it offers superior resistance to corrosion, moisture, and UV exposure, ensuring long-lasting durability with minimal maintenance. The multi-chamber frame design, combined with double-glazed glass, provides outstanding energy efficiency and sound insulation, keeping indoor spaces comfortable, quiet, and cost-effective year-round. The window’s airtight sealing and multi-point locking system effectively prevent air and water leakage, improving both security and insulation. With a clean, modern appearance and customizable color options, the PVC Hand Crank Casement Window complements a wide range of architectural styles—from residential homes to commercial buildings. Certified by NFRC and CE, it meets global standards for quality and performance. Whether installed as a single unit or combined with fixed or awning windows, KDSBuilding’s PVC Hand Crank Casement Window offers a reliable, elegant, and energy-efficient solution that enhances both comfort and aesthetics.

The PVC Hand Crank Awning Window from Xiamen KDSBuilding combines functional convenience with modern style, offering excellent ventilation and all-weather performance. Designed to open outward from the bottom using a smooth hand crank system, this awning window allows fresh air to flow in even during light rain while keeping interiors protected. Manufactured from high-quality PVC profiles, it offers superior durability, corrosion resistance, and low maintenance, making it ideal for both residential and commercial applications. The precision-engineered crank mechanism ensures effortless operation and secure closing, enhancing user comfort and long-term reliability. Equipped with double-glazed glass and multi-chamber PVC frames, the window provides excellent thermal insulation and sound reduction, keeping indoor environments quiet and energy-efficient. The airtight sealing design effectively blocks dust, wind, and moisture, ensuring comfort in all seasons. Available in a variety of colors and finishes, including classic white and modern grey, it complements any architectural style. Certified by NFRC and CE, KDSBuilding’s PVC Hand Crank Awning Window delivers a perfect blend of practicality, safety, and aesthetics—an outstanding choice for modern buildings seeking high performance, easy operation, and timeless visual appeal.