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. Its advanced weather-sealing system prevents air and water infiltration, maintaining a comfortable and secure indoor environment throughout the year. Available in a variety of colors and finishes, including classic white and woodgrain options, the PVC Sliding Door complements diverse architectural styles—ideal for balconies, patios, and large entrances. Certified by NFRC and CE, it meets strict international standards for safety, performance, and sustainability. Combining contemporary style with functional design, KDSBuilding’s PVC Sliding Door enhances any space with elegance, natural light, and easy operation, making it a top choice for modern residential and commercial projects.

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 while maintaining comfortable indoor temperatures year-round. Equipped with secure locking mechanisms and airtight sealing, it effectively prevents water and air leakage, ensuring lasting performance and safety. Its clean lines and timeless proportions make it suitable for a wide range of architectural styles, from modern apartments to classic homes. Certified by NFRC and CE, KDSBuilding’s PVC Single Hung Window meets international standards for quality, efficiency, and durability. With easy cleaning, elegant appearance, and reliable functionality, it is an excellent choice for homeowners and builders seeking a cost-effective, energy-efficient, and aesthetically pleasing window solution.

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. The airtight sealing design effectively blocks dust, wind, and moisture, ensuring comfort in all seasons. Available in a variety of colors and finishes, including classic white and modern grey, it complements any architectural style. Certified by NFRC and CE, KDSBuilding’s PVC Hand Crank Awning Window delivers a perfect blend of practicality, safety, and aesthetics—an outstanding choice for modern buildings seeking high performance, easy operation, and timeless visual appeal.

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 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.