This 127 Series Aluminum Ultra Slim Lift and Sliding Door combines modern aesthetics, superior performance, and effortless operation. Featuring ultra-slim aluminum frames and expansive glass panels, it maximizes natural light while providing unobstructed outdoor views. The advanced lift-and-slide mechanism ensures smooth opening and excellent sealing performance, enhancing energy efficiency, weather resistance, and sound insulation. Manufactured from high-quality aluminum alloy with optional thermal break technology, this door is ideal for luxury villas, apartments, patios, balconies, and commercial projects. Available in various sizes, colors, and glazing options, it offers a perfect blend of elegance, durability, security, and functionality for contemporary architectural designs.

Our fiberglass doors are engineered for long-lasting performance and low maintenance. Featuring insulated cores and reinforced fiberglass skins, they deliver outstanding energy efficiency, weather resistance, and structural stability while maintaining the elegant look of natural wood. series: Fiberglass Casement Door opening style: Casement Glass: Glass or Fiberglass Panel, optional Grille Design: Yes Color: Customized Certification:  CE

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 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

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.  series: 140 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 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.  series: 82 series PVC opening style: awning 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 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