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, keeping interiors comfortable and quiet all year round. Each sash is counterbalanced for smooth, effortless operation, and both can tilt inward for easy cleaning from inside the room—an ideal feature for multi-story buildings. With airtight sealing and advanced locking systems, the PVC Double Hung Window prevents air and water leakage, enhancing energy efficiency and security. Available in various colors and finishes, including classic white and woodgrain textures, it perfectly complements diverse architectural styles. Certified under NFRC and CE standards, KDSBuilding’s PVC Double Hung Window combines modern functionality with timeless design, making it a preferred choice for homeowners, architects, and developers seeking reliable, attractive, and eco-friendly window solutions.

The PVC Casement Door (White Color Profile) from Xiamen KDSBuilding combines timeless elegance with advanced performance, making it a perfect addition to contemporary and traditional spaces alike. Crafted from high-quality white PVC profiles, this door offers a clean, bright appearance that complements any interior or exterior setting. Its robust frame structure and multi-chamber design provide excellent insulation, reducing energy loss and maintaining comfortable indoor temperatures throughout the year. The door features precision-engineered hinges that allow smooth outward or inward opening, ensuring easy operation and maximum ventilation. The double-glazed glass enhances soundproofing and thermal efficiency while providing clear visibility and natural light. Designed with airtight sealing technology, it effectively prevents water, wind, and dust infiltration, even under harsh weather conditions. The white PVC surface is UV-resistant, corrosion-proof, and requires minimal maintenance, retaining its fresh, polished look over time. Complying with international standards such as NFRC and CE, KDSBuilding’s PVC Casement Door delivers long-lasting durability, safety, and energy savings. Whether used for balconies, patios, or main entrances, this elegant white door adds value, comfort, and sophistication to any living or commercial environment.

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, maintaining a comfortable indoor environment all year round. With precision-engineered airtight seals, the window effectively blocks wind, rain, and dust while maintaining superior thermal insulation. Available in various finishes and glass options, it complements modern, traditional, and commercial building designs. KDSBuilding’s PVC Top Sliding + Bottom Fixed Window meets international standards like NFRC and CE, reflecting the company’s commitment to quality and sustainability. Ideal for apartments, offices, and residential homes, this window delivers a refined appearance, practical ventilation, and long-lasting performance — a smart choice for modern architecture seeking both elegance and efficiency.

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. KDSBuilding’s PVC Sliding Window is available in a variety of colors and finishes to complement diverse architectural styles. It also features corrosion-free hardware and low maintenance requirements, maintaining a fresh appearance for years. Ideal for both residential and commercial projects, this sliding window offers a practical yet stylish solution that balances function and aesthetics. Certified by international standards such as NFRC and CE, KDSBuilding’s PVC Sliding Window is a long-lasting investment in comfort, safety, and modern design excellence.

The PVC Fixed Window from Xiamen KDSBuilding is an excellent solution for homeowners and builders seeking maximum light, energy efficiency, and modern simplicity. Designed without any operable parts, this fixed window provides an expansive and uninterrupted view while ensuring outstanding insulation performance. Made from high-grade PVC profiles, the frame resists moisture, corrosion, and UV damage, making it ideal for both residential and commercial applications. The double-glazed glass units enhance thermal insulation, keeping interiors comfortable year-round and significantly reducing energy costs. Its airtight structure prevents dust, water, and noise infiltration, creating a peaceful indoor environment. With clean lines and customizable color options, the PVC Fixed Window blends seamlessly with any architectural style, from minimalist contemporary homes to classic facades. Additionally, it requires minimal maintenance—just occasional cleaning to maintain its clear appearance and durability. Whether used as a picture window, curtain wall element, or combined with operable units, KDSBuilding’s PVC Fixed Window delivers lasting beauty, efficiency, and performance that meet international standards such as NFRC and CE. It’s a perfect choice for modern buildings that value both design and functionality.

The PVC Casement Door is a perfect combination of modern aesthetics and high performance, making it an ideal choice for both residential and commercial spaces. Crafted from premium PVC profiles, this door offers exceptional durability, weather resistance, and low maintenance requirements. The casement design allows the door to open outward or inward with ease, providing excellent ventilation and a wide opening for natural light. Its multi-point locking system enhances security, while the double-glazed glass option ensures outstanding thermal and sound insulation, reducing energy costs and maintaining indoor comfort. Thanks to its waterproof and anti-corrosion properties, the PVC Casement Door is suitable for coastal or humid environments where traditional wooden or steel doors may deteriorate. The clean, sleek surface and customizable color options add a touch of modern elegance to any architectural style. Whether used as a patio door, balcony entrance, or main access to a living space, the PVC Casement Door delivers long-lasting performance, style, and functionality. It is a cost-effective, eco-friendly, and visually appealing solution for contemporary buildings seeking both energy efficiency and refined appearance.

The Aluminum Double Hung and Tilt Window from Xiamen KDSBuilding combines elegant design, smooth functionality, and outstanding thermal performance for modern residential and commercial projects. Manufactured with high-quality thermal break aluminum profiles and double-glazed insulated glass units, this window ensures excellent energy efficiency, sound insulation, and condensation resistance. The double-hung mechanism allows both the upper and lower sashes to slide vertically for flexible ventilation, while the tilt function provides easy inward tilting for convenient cleaning and secure airflow control. Its precision-engineered frame features advanced weather seals that enhance air and water tightness, ensuring long-term durability even in extreme climates. With powder-coated or anodized surface finishes available in a wide range of colors, it achieves both strength and style. Designed to meet international standards such as NFRC and CE, KDSBuilding’s aluminum double hung and tilt window is ideal for high-end apartments, villas, and public buildings that demand superior thermal insulation, low maintenance, and contemporary aesthetics. This window delivers a perfect blend of practicality and sophistication, offering homeowners lasting comfort and performance with modern architectural appeal.

PVC casement doors are a perfect blend of style, functionality, and durability, making them an ideal choice for modern residential and commercial spaces. Constructed from high-quality PVC profiles, these doors are resistant to warping, corrosion, and weather-related damage, ensuring long-lasting performance with minimal maintenance. The casement design, which allows the door to swing open fully, provides excellent ventilation and natural light, enhancing the comfort and aesthetics of any space. Energy efficiency is another key advantage of PVC casement doors. With advanced sealing systems and insulated profiles, they effectively prevent heat loss and reduce energy bills, making them an eco-friendly solution for sustainable living. Additionally, their noise-insulating properties create a quieter indoor environment, while reinforced locking mechanisms enhance security. Available in a variety of colors, finishes, and sizes, PVC casement doors can seamlessly complement any architectural style, from classic to contemporary. Whether you’re upgrading your home or installing doors in a new building project, PVC casement doors offer a reliable, stylish, and cost-effective solution that meets the highest standards of performance and design.

Our PVC Sliding Window with Bottom Fixed Panel combines durability, security, and modern aesthetics for residential and commercial spaces. The sliding top panel ensures smooth operation and easy ventilation, while the fixed bottom panel provides stability and enhanced insulation. Made from high-quality PVC profiles, this window is resistant to weather, corrosion, and fading, requiring minimal maintenance. Its energy-efficient design helps reduce heating and cooling costs, making it a smart choice for contemporary buildings.