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.

Aluminum factory sliding door as what it means , this is factory direct sale, we seriously control the quality and give you a competitive price. Aluminum sliding doors are designed to maximize space efficiency while providing a modern and elegant appearance. Made from high-strength aluminum profiles, they offer excellent durability, corrosion resistance, and smooth sliding performance. Large glass panels allow abundant natural light, making them ideal for residential and commercial applications such as balconies, patios, and living rooms. series: 60 series thermal break opening style: sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

When you purchase upvc sliding door B001, you purchase directly from the factory. This PVC sliding door with double glazing is designed for modern residential and commercial buildings that require durability, energy efficiency, and smooth operation. The multi-chamber uPVC profile combined with insulated double-glazed glass significantly reduces heat transfer and external noise. A reinforced steel core ensures structural stability, while high-quality rollers provide effortless sliding performance. The integrated nail fin allows easy and secure installation into wood or concrete structures, making it ideal for new construction projects. With excellent weather resistance, low maintenance requirements, and customizable sizes and colors, this sliding door offers long-term performance and contemporary aesthetics. 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

When you purchase aluminum lift and sliding door B001-2, you purchase directly from the factory.  KDSBuilding aluminum lift and sliding doors combine heavy-duty aluminum frames with advanced lifting hardware to support large glass panels. When the handle is turned, the sash lifts and slides smoothly, then seals tightly when closed. This design improves weather resistance, energy efficiency, and comfort for villas, apartments, and commercial buildings. series: 140 series thermal break opening style: Lift and Sliding Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

When you purchase aluminum lift and sliding door 005, you purchase directly from the factory. Designed for wide-span openings, aluminum lift and sliding doors offer stability, smooth performance, and panoramic views. The reinforced aluminum profile supports large and heavy glass, while high-quality rollers and locking systems ensure easy operation. Ideal for balconies, patios, and living areas, the door system enhances both functionality and architectural style. series: 140 series thermal break opening style: Lift and Sliding Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

When you purchase aluminum lift and sliding door 004, you purchase directly from the factory.  Xiamen KDSBuilding lift and sliding doors provide a premium solution for modern buildings requiring large openings and strong sealing performance. The lift mechanism reduces wear on rollers and tracks, extending service life. Combined with Low-E double glazing and thermal break aluminum profiles, the door achieves excellent insulation and weather resistance. series: 140 series thermal break opening style: Lift and Sliding Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Our sliding aluminum door is made of 5+9A+5MM clear tempered glass and Chinese top brand hardware. Designed for contemporary architecture, aluminum sliding doors provide wide openings and unobstructed views. The durable aluminum structure ensures long service life, even in harsh climates. With customizable colors, glass options, and configurations, they meet diverse design requirements for residential apartments, hotels, and office buildings. series: 60 series thermal break opening style: sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Single,double or more door panels are available for aluminium casement doors. Designed for everyday reliability, aluminum casement doors feature strong aluminum profiles and precision-engineered hardware. The casement opening allows complete ventilation and easy access. With multiple glazing and color options, they can be tailored to suit various architectural styles and functional needs. series: 118 series thermal break opening style: Casement Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23