KDSBuilding’s solid wood hand crank windows blend traditional craftsmanship with modern engineering. Each frame is crafted from high-quality hardwood, ensuring natural beauty and long-lasting durability. The hand crank mechanism offers smooth, effortless operation—ideal for hard-to-reach areas while maintaining a classic architectural look. Our wood windows are treated for weather resistance, preventing warping, moisture damage, and insect intrusion. With energy-efficient glazing and tight sealing, they deliver excellent insulation against heat and noise. Whether for heritage restoration or luxury homes, these solid wood crank windows enhance interiors with warmth and sophistication. Combining artistry and technology, KDSBuilding offers windows that truly stand the test of time. series: Wooden opening style: hand crank Casement Glass: 5 mm+9 A+5 mm double tempered clear glass Color: wooden color Certification: CE, AS 2047 , CE

PVC tilt and sliding doors combine the beauty of wide glass openings with intelligent engineering. Designed for modern living, they allow smooth horizontal sliding for daily access, and a unique tilting function for secure ventilation. This dual operation makes them both practical and stylish. KDSBuilding’s PVC tilt and sliding doors use high-quality uPVC profiles with multi-chamber insulation, ensuring excellent thermal and sound performance. Whether for residential homes or commercial spaces, these doors create a seamless transition between indoor comfort and outdoor scenery. With advanced hardware systems and durable sealing gaskets, users enjoy effortless operation and long-term reliability. Available in various colors, finishes, and glazing options, they bring elegant functionality to every architectural style.

uPVC awning windows are a smart and stylish choice for modern homes and commercial buildings. Hinged at the top and opening outward, they allow fresh air to circulate even during light rain, providing perfect ventilation all year round. KDSBuilding’s uPVC awning windows feature multi-chambered frames for excellent insulation and energy efficiency, keeping interiors comfortable while reducing energy costs. The smooth, clean design complements both contemporary and traditional architecture. Built with high-quality hardware and weatherproof seals, these windows resist fading, corrosion, and deformation, even in harsh climates. Whether for new construction or renovation, KDSBuilding uPVC awning windows offer lasting performance, elegant appearance, and superior comfort — the perfect combination for modern living. series: 60 series PVC color : white opening style: awning Glass: 5mm+9A+5mm 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

As global construction trends move toward energy efficiency, KDSBuilding aluminum storefront doors lead the way with thermal performance and eco-friendly design. Each door can be equipped with thermal break technology and energy-saving glass, reducing heat transfer and improving indoor comfort. Certified under NFRC standards, KDSBuilding aluminum doors meet international requirements for insulation and sustainability. Their lightweight yet strong structure allows for large glazed panels without compromising energy performance. From retail buildings to modern office complexes, these doors help architects and developers meet green building targets while maintaining contemporary style. Choosing KDSBuilding means investing in doors that combine durability, energy efficiency, and environmental responsibility. series: 55 series thermal break aluminum opening style:  casement  Color: black Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Door Screen :  no Grille design : no

Commercial entrances require both beauty and strength, and aluminum storefront doors deliver exactly that. Designed to handle heavy daily traffic, KDSBuilding’s aluminum doors feature robust frames, weatherproof seals, and optional multi-point locking systems that ensure maximum safety. Unlike steel, aluminum will never rust, even in coastal or humid environments, making it an ideal choice for long-term projects. The smooth surface and custom finish options make these doors not only secure but also visually appealing. With excellent structural integrity and minimal maintenance requirements, aluminum storefront doors offer the best balance between security and modern design—perfect for commercial centers, showrooms, and business offices that want to make a strong first impression. series: 55 series thermal break aluminum opening style:  casement  Color: black Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Door Screen :  no Grille design : no

Aluminum storefront doors have become the signature of modern commercial architecture. With their sleek appearance, light weight, and corrosion resistance, they perfectly match today’s glass façades and open-space concepts. KDSBuilding’s aluminum storefront systems offer superior durability and smooth operation, ideal for offices, malls, and retail shops. The aluminum frame allows wide glass panels that maximize visibility and natural light, creating an inviting atmosphere for customers. Available in various finishes—powder-coated, anodized, or custom colors—these doors enhance both the exterior design and long-term performance of any building. Combining strength, beauty, and low maintenance, KDSBuilding aluminum storefront doors are the perfect solution for architects and developers seeking a modern and reliable entry system. series: 55 series thermal break aluminum opening style:  casement  Color: black Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Door Screen :  no Grille design : no

This elegant PVC single hung window features a distinctive arched top design combined with a practical vertical sliding sash system, making it a perfect balance of architectural aesthetics and modern functionality. Manufactured using high-quality PVC profiles, it offers superior durability, weather resistance, and excellent thermal insulation performance. Unlike traditional wood windows, this PVC design is maintenance-free, resistant to moisture, corrosion, and warping—ensuring a long service life even in harsh climates. The upper arched fixed glass panel allows abundant natural light to enter while adding a stylish visual appeal, making it ideal for both residential and commercial applications. The lower operable sash ensures smooth vertical sliding with secure locking hardware, providing reliable ventilation and user convenience. The double-glazed glass option enhances energy efficiency by reducing heat transfer and noise, meeting high-performance building standards.  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

PVC sliding window is a modern and practical choice for both residential and commercial spaces. Designed with smooth sliding sashes, it operates effortlessly on durable tracks, saving space compared to traditional hinged windows. Made from high-quality PVC profiles, it offers excellent thermal insulation, weather resistance, and noise reduction. The sleek design with narrow sightlines maximizes natural light and provides a contemporary look. PVC sliding windows are low-maintenance, resistant to corrosion, and easy to clean, making them ideal for long-term use. Optional features include double glazing, insect screens, and security locks, ensuring comfort, safety, and energy efficiency in any environment. series: 60 series PVC color : black opening style: sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Aluminum casement and fixed window with 55 series thermal break aluminum profile, good at ventilation and have nice view. with double glass options, it can reduce energy lose and keep the house cooler in summer and warmer in winter. And also good at sound proof, can reduce noise effectively, create and quit environment for you. series: 55 series thermal break glazing: 5mm+9A+5mm clear tempered U factor: lower than 0.3 SHGC: lower than 0.23