PVC doors are engineered to deliver superior performance, visual appeal, and long-term durability. Manufactured using premium uPVC (unplasticized polyvinyl chloride), these doors are highly resistant to moisture, corrosion, and UV rays, making them an ideal choice for both interior and exterior applications. One of the key benefits of our PVC doors is their excellent insulation performance. The multi-chambered profile design minimizes heat transfer and enhances energy efficiency. When combined with double or triple glazing and high-quality weather seals, our PVC doors help reduce energy consumption while also improving indoor comfort by minimizing noise and drafts. KDSBuilding offers extensive customization options to meet different architectural styles and project needs. Choose from a range of door types—single swing, French, casement, or tilt-and-turn—available in various sizes, colors, and surface finishes including matte, glossy, and woodgrain textures. Doors can be fitted with decorative panels or full-glass inserts using tempered or laminated safety glass. For added security and functionality, all doors are equipped with strong hinges, stainless steel reinforcements, and multi-point locking systems. Whether for homes, apartments, or commercial buildings, KDSBuilding PVC doors provide a low-maintenance, weather-resistant, and customizable solution that delivers exceptional value for global markets

 PVC doors are the ideal solution for homeowners and developers seeking reliable, low-maintenance, and stylish entry or patio door systems. These doors are especially popular in residential settings such as apartments, villas, and townhouses, where performance and appearance are equally important. Each PVC door is designed for maximum functionality. Whether used as a front entrance, garden access, or balcony door, our products ensure excellent weather resistance, noise insulation, and energy savings. The uPVC material is corrosion-proof and does not require painting or frequent maintenance, making it an economical long-term investment. Our PVC door systems come with high-quality hinges, handles, and multi-point locking mechanisms to enhance security and ease of use. Glazing options include single, double, or triple layers of tempered or Low-E glass, delivering both transparency and insulation. KDSBuilding offers a wide variety of styles, from fully glazed French doors to elegant panel doors with woodgrain finishes. Colors such as white, black, grey, and natural wood effects are available to suit various design themes. Tested to meet international performance standards, our PVC doors are not only aesthetically appealing but also engineered to withstand harsh weather and daily use. They are a smart choice for any project requiring quality and efficiency.

PVC doors are a modern solution combining durability, energy efficiency, and low maintenance. Made from high-grade unplasticized polyvinyl chloride (uPVC), our doors are designed to resist warping, rusting, and fading, making them ideal for long-term indoor and outdoor use in various climates. Our PVC doors are available in multiple configurations, including single swing, double swing, and French-style casement doors. They can be customized with full glass, half glass, or panel designs, using insulated glass units (IGUs) with options like Low-E, laminated, or tempered glass. Each door is internally reinforced with galvanized steel for added strength and stability, ensuring resistance against wind, impact, and deformation. The multi-chambered profile provides excellent thermal insulation, reducing heat transfer and helping buildings stay energy-efficient year-round. Our doors also feature tight sealing with weatherproof gaskets, multi-point locking systems, and optional noise-reducing enhancements. With a wide range of colors, surface textures, and hardware styles, KDSBuilding PVC doors can complement both modern and classic architectural designs. Perfect for residential, villa, and light commercial projects, they meet global standards such as CE and NFRC, offering reliable performance, modern style, and long-term value.

A steel door is a durable, secure, and low-maintenance option commonly used in both residential and commercial buildings. Constructed with a steel outer layer and often filled with insulating materials like polyurethane or honeycomb core, these doors offer excellent strength, fire resistance, and energy efficiency. Steel doors are ideal for exterior use due to their ability to withstand harsh weather, resist warping, and provide enhanced protection against forced entry. Available in a variety of finishes, colors, and designs, they can also be customized to match different architectural styles while ensuring long-lasting performance and safety.

Aluminum alloy door is the surface of the treated aluminum alloy profile, through the cutting, drilling, milling, tapping, production and other processing technology made of the door frame components, and then the use of connecting parts, sealing materials and open and close hardware accessories combined assembly of a door. Aluminum door profiles and glass styles are divided into north and south. In the north, thick aluminum and steady style are the main characteristics, and the most representative is the grid style, and the most characteristic of the grid is Tangge. The south is characterized by diverse aluminum shapes and lively styles, the most representative is the flower glass style, and the more distinctive styles are lattice, ice sculpture, shallow sculpture, crystal shell and so on.

The hinges are installed on one side of the window sash and connected to the window frame. According to the outward or inward opening, this type of window is divided into outer casement window and inner casement window. The characteristics of this kind of window are: simple structure, flexible opening, easy to clean, and good sealing performance when closed, and it is the most widely used window type in civil construction. A style of window in a folk house. The opening and closing of the window sash moves along a certain horizontal direction, so it is called "casement window". Flip window and sliding window two kinds. There are multiple single Windows, which turn upward when opened and are fixed by the iron rod support on the window frame; Some also turn down and open to a certain extent to hold the chain on the window frame. Push and pull more than two Windows. When opening and closing, the window sash slides horizontally along the slot of the window frame, or slides up and down. The front window of the houses in the northern Siheyuan is mostly turned over. The center of the window is inlaid with wooden mullion and pasted with white paper. When the window is opened, it turns outward. In the south, it is also common to flip Windows in the attic and ceiling.

Fixed windows are windows that are usually made of glass directly inlaid on the window frame or the window sash is fixed on the window frame and cannot be opened. They are only used for lighting and viewing. They are usually used for lighting windows in corridors, stairwells and certain parts of general windows.