Product Description
★Elegant appearance, perfect structure design. Unique insert design, frame comprise edge of interior leaf. Wide tapered-angle slide wheel device. Indoor and outdoor is completely insulating, external channel frame insert into weatherstripping of internal window. Superior sound insulating ,heatproof, waterproof, and gas tightness performance, separated rotate handle device. Reasonable scientific operation. Be equipped with open device, secure and pratical.
★Unique surface design, be equipped with rotation , closed-lock device and seals system in external frame and door leaf. Be equipped with separated rotation handle, revealing scientific switch operation.
★Can choose decoration strip be selected ,make door more graceful and exquisite.
★suitable for housing, public buildings, etc.