This upgraded aluminum casement and fixed window series is suitable for all commercial and residential buildings. 55 series aluminum thermal break profile can provide excellent performance and good insulation. double tempered clear glazing design can lower the energy saving performance and can provide good sight view. casement opening can offer good ventilation and fixed part can provide us safety while their have children. series: 55 series thermal break glazing: 5mm+9A+5mm clear tempered U factor: lower than 0.3 SHGC: lower than 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

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 lift and sliding door is crafted for projects requiring excellent energy performance and effortless handling of large, heavy glass panels. Using a unique lift-slide mechanism, the handle lifts the door off its seals before sliding, ensuring  smooth movement with minimal resistance. providing top-level water tightness, air tightness, and security. Equipped with thermal-break aluminum profiles and double , the door delivers outstanding insulation and comfort in both warm and cold climates. Ideal for villas and luxury residences. series: 80 series thermal break opening style: lift and sliding Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The ultra slim sliding door is engineered for projects emphasizing modern minimalism and expansive glass surfaces. With extremely narrow aluminum profiles, this door maximizes the visible glass area and creates a seamless visual connection。Despite its thin appearance, the system maintains exceptional structural strength, allowing for large, heavy glass panels that slide smoothly on high-precision rollers. Double  glazing enhances energy performance, reduces noise, and improves comfort.  ideal for luxury villas, high-end apartments, and commercial buildings. Advanced sealing systems ensure smooth operation, excellent wind resistance, and reliable performance in all climates. series: thermal break opening style: ultra slim sliding Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23  

The awning and fixed window combination provides reliable ventilation and superior natural lighting in all weather conditions. The top-hinged awning sash opens outward from the bottom, allowing airflow even during light rain while preventing water intrusion. The accompanying fixed panel maximizes brightness and panoramic views, creating an elegant architectural feature. Made from durable aluminum frames and paired with insulated glass, this system offers strong thermal efficiency and excellent airtightness. Multi-point locks and EPDM seals ensure long-term resistance to wind pressure and moisture. This design is ideal for bedrooms, bathrooms, kitchens, and commercial projects.  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 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 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 PVC profiles, 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. The clean, modern frame lines make it compatible with various architectural styles—from contemporary homes to commercial spaces. KDSBuilding’s casement + fixed window is a versatile solution that enhances visual appeal while delivering long-term performance and durability.

The aluminum folding window is designed for homeowners and builders who require maximum ventilation and an unobstructed view. Each sash folds neatly to the side, allowing the entire window opening to be fully utilized—ideal for kitchens, bars, balconies, and commercial counters. Manufactured with durable aluminum profiles and fitted with stainless-steel folding hardware, the system offers smooth movement, long service life, and resistance to corrosion in coastal environments. Double glazing helps reduce heat transfer and noise, improving indoor comfort. 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