The 108 Series Casement Window features a reinforced multi-point locking system and a triple-layer sealing structure, delivering excellent airtightness and wind pressure resistance suitable for high-rise buildings and coastal windy environments. The sash can open outward up to 90 degrees or tilt inward by 15 degrees, combined with a removable screen design for balanced ventilation control and easy cleaning. The profile utilizes multi-chamber thermal break aluminum with injection foam technology, paired with low-emissivity insulating glass to achieve a thermal transfer coefficient as low as 1.5 W/(m²·K), meeting passive building energy standards. Surface finishes include anodizing, powder coating, and wood grain transfer, with personalized color customization available. Ideal for residential, office, educational, and healthcare projects that demand high safety, energy efficiency, and aesthetic standards.