
WY-40 Series awning casement window is built for project bidding, bulk supply, and commercial construction needs.
Sizes, colors, and glass options can be customized to match project drawings, window schedules, and site requirements.
The outward opening aluminum design supports ventilation, saves indoor space, and suits residential and commercial buildings.
Certified to NFRC, AS2047, CE, and SGCC standards to meet entry and compliance needs in different markets.
DERCHI operates a 180,000㎡ factory with 600+ staff, supporting stable production for large-volume orders.
Standard lead time is 25–35 days after deposit and drawing confirmation, helping keep procurement schedules on track.
DERCHI provides online technical support, onsite service options, spare parts, and a warranty of 10 years.
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WY-40 Series Casement Window
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DERCHI windows and doors

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