B.WA67i
B.WA67i is an outward-opening and rotating window system, with a large frame-and-panel structure and compact wing frames to form a sturdy structure for the house. Especially, the use of insulating glass enables homeowners to improve thermal management, energy efficiency, and environmental friendliness.
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B.WA67i is an outward-opening and rotating window system, with a large frame-and-panel structure and compact wing frames to form a sturdy structure for the house. Especially, the use of insulating glass enables homeowners to improve thermal management, energy efficiency, and environmental friendliness.