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.

KDS supply aluminum folding door 33. KDSBuilding aluminum folding doors feature robust aluminum profiles and advanced sealing systems for improved weather performance. The folding design supports large openings while maintaining smooth operation and strong structural stability. This door system is ideal for modern residential and light commercial projects requiring flexibility and style. series: 73 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

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

Grill window and door include aluminium glass sliding door with elegant grill in double glasses. Aluminum sliding doors offer a perfect balance of style, strength, and convenience. The corrosion-resistant aluminum frame supports large glazing sizes without deformation. Advanced track systems ensure quiet and smooth movement, while tight sealing improves insulation and water resistance, making them ideal for balconies, gardens, and terrace entrances. 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 aluminum lift and sliding door B002, you purchase directly from the factory.  Aluminum lift and sliding doors from Xiamen KDSBuilding are designed for large openings and smooth operation. The lift-and-slide mechanism allows the sash to lift slightly when opening, reducing friction and ensuring effortless movement. With strong aluminum profiles and double or triple glazing, the system delivers excellent thermal insulation, durability, and modern aesthetics. 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

Classic aluminum glass sliding door creates an open view to outside scene. This aluminum sliding door system delivers smooth operation, high load capacity, and modern aesthetics. The precision-engineered aluminum profiles ensure excellent strength and dimensional stability. Large glass panels improve daylighting, while high-quality sealing systems enhance thermal performance, air tightness, and resistance to wind and rain. 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