Aluminum  tilt and turn window offers two convenient opening modes tilting inward from the top for gentle ventilation or swinging fully inward like a casement for maximum airflow and easy cleaning. This dual-function design makes it one of the most versatile window systems for modern homes and commercial buildings. Built with durable aluminum  profiles and insulated glass units, the tilt and turn system provides excellent thermal performance, noise reduction, and security. Multi-point locking ensures strong sealing and stability, even in high-rise applications or harsh weather conditions. Ideal for bedrooms, living rooms, hotels, and offices, the window enhances comfort while maintaining a clean, contemporary appearance. series: 55 series thermal break opening style: lift and sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The casement + fixed window combination offers the ideal balance between ventilation, natural light, and energy efficiency. The operable casement sash opens outward on precision hinges, providing excellent airflow and easy cleaning from inside the room. Meanwhile, the fixed panel maximizes unobstructed views while maintaining exceptional thermal insulation. Both sections are built with high-quality aluminum or , depending on project requirements, and paired with low-E double glazing to reduce heat loss and improve comfort. Multi-point locking ensures a tight seal against air and water infiltration, making this window highly suitable for energy-efficient buildings. series: 100 series thermal break glazing: 5mm+9A+5mm clear tempered U factor: lower than 0.3 SHGC: lower than 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 Single Hung Window from Xiamen KDSBuilding combines traditional design with modern innovation to create a window that is both functional and visually appealing. Featuring a vertically sliding lower sash and a fixed upper sash, this design offers smooth operation, efficient ventilation, and enhanced energy performance. Constructed from high-quality PVC profiles, the window provides excellent resistance to corrosion, moisture, and UV radiation, making it durable and low-maintenance in any climate. The double-glazed glass and multi-chamber frame design deliver superior insulation, helping to reduce heat transfer and noise infiltration. Equipped with secure locking mechanisms and airtight sealing, it effectively prevents water and air leakage, ensuring lasting performance and safety. series: 82 series PVC opening style: Single Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21

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. series: 72 series PVC opening style: Hand crank casement Glass: 3mm low-e +12A+3mm+12A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 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 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.  series: 60 series PVC opening style: Casement (Swing) Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047, Energy Stay U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15