The PVC Fixed Window from Xiamen KDSBuilding is designed to deliver maximum light, energy efficiency, and modern aesthetics. With no operable parts, this window provides a large, clear view of the outdoors while maintaining superior insulation performance. Crafted from high-quality PVC profiles, it resists corrosion, fading, and deformation, making it ideal for long-term use in various climates. The fixed design enhances structural strength and airtightness, effectively preventing water and air infiltration. Combined with double-glazed glass, it ensures excellent thermal insulation and soundproofing, helping reduce energy consumption and maintain indoor comfort. Its clean, minimalist appearance makes it suitable for contemporary homes, offices, and commercial buildings that value both functionality and style. The PVC surface requires minimal maintenance—just occasional cleaning to keep its bright, polished look. Available in multiple sizes, colors, and glass configurations, the KDSBuilding PVC Fixed Window meets international standards such as NFRC and CE, ensuring safety, performance, and sustainability. Whether used as a picture window, decorative feature, or part of a curtain wall system, this fixed window adds elegance, brightness, and energy savings to any architectural space.

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 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 window is a popular choice for modern buildings, combining durability, energy efficiency, and stylish design. Made from high-quality PVC profiles, it resists moisture, corrosion, and fading, ensuring long-lasting performance with minimal maintenance. The window opens outward with the help of durable friction hinges, providing excellent ventilation and easy operation. Multi-point locking systems enhance security, while double or triple glazing options improve thermal and sound insulation. Its sleek frame design allows more natural light to enter, making interiors brighter and more comfortable. Available in various colors and finishes, the PVC casement window blends functionality with aesthetic appeal.

system window is a fully integrated window solution where the frame, glazing, hardware, and sealing components are all engineered to work together for optimal performance. Unlike traditional windows assembled from separate parts, system windows are precision-designed for superior energy efficiency, air and water tightness, sound insulation, and structural strength. Commonly made from materials like aluminum or uPVC, they offer modern aesthetics, reliable durability, and are often certified to meet international standards such as NFRC or CE. System windows are ideal for both residential and commercial buildings, ensuring consistent quality, easier installation, and long-term value.

1. High waterproof performance: Aluminum alloy casement window using high-quality sealing materials, so that it has a good waterproof effect, can effectively prevent rain infiltration. 2. Heat insulation and sound insulation: Aluminum casement window is composed of a variety of materials, which can isolate the temperature difference between indoor and outdoor, ensure that the indoor temperature is appropriate, and can also be soundproofed to reduce indoor noise. 3. Beautiful appearance: Aluminum alloy material can be designed into various shapes, very flexible, beautiful appearance, can increase the overall beauty of the building. 4. Low maintenance cost: Aluminum alloy casement window has high corrosion resistance, low maintenance cost and long life. 5. Safe and reliable: Aluminum alloy casement window adopts thicker tempered glass, which can resist impact and has high safety. 6.Parameter : U-Factor  ≤ 0.3 , SHGC ≤ 0.23 , Sound Insulation ≤ 36 db , Water Tightness ≥ 450 pa , Wind Resistance ≥ 4500 pa , Air Tightness ≤ 0.4 m3(㎡.h)

double hung windows are a common type of indoor door and window products. They have excellent energy-saving and heat-insulating, dust-proof and noise-reducing, and excellent wind pressure resistance. They have beautiful lines and a wide viewing angle. They will not collide with the human body when opened. The frame and sash are wrapped, so there is no risk of the sash falling outwards. They have excellent safety coefficients and many other advantages. They are widely used in high-rise buildings in North America.