Doorwin Free Sample Window Corner Service

About Doorwin Windows & Doors

Doorwin Group, professional leading window manufacturers in China, provides high-end classic and modern aluminum & wood windows/ doors. With rich experience of exporting products to North America, Europe and Australia for 20 years, Doorwin’s products are designed to exceed North American NFRC requirements. Independent testing by Intertek USA confirms that our products perform exceptionally well in all climate zones. With many wonderful cases in USA and Canada, Doorwin products are suitable for high-end residential and commercial projects and favored by many homeowners and construction professionals, as we provide reasonable direct and transparent pricing to meet your budgetary needs.

About Doorwin’s Showrooms

Our showrooms display various sample products to present our quality products and design. We would like to offer detailed instruction about our products to you in our showrooms. Or you can check the video version on our sites.

About Doorwin’s Factories

Doorwin has its three own modern factories with professional customize service in design. With a factory area of 20,000 m2 and production capacity of 100,000 m2 per year, Doorwin has the scale to ensure timely delivery and the flexibility to reduce manufacturing lead time to as short as 18 days. 

Doorwin Professional Packing System

Doorwin's professional packing system will guarantee all products be delivered safely and without any damage.We apply a four point packing system. Firstly, adhesive plastic film on interior wood frames and exterior aluminium frames to avoid scratch on the surface. Then, paper board is applied after we apply air bubble film surrounding the whole windows/ doors to avoid any destroy or clash. Lastly, we place them into a durable non-fumigation plywood crate to avoid any possible damage during transportation.

Doorwin Free Sample Window Corner Service  

Many clients might hesitate and want to know the quality and design before they place an order to Doorwin. We totally understand about that as it is normal for the first cooperation. Therefore, Doorwin would like to offer a FREE sample window corner to show you the quality and performance and packing of our products.

Sample window corner are available for thermal break aluminum windows, wood windows and wood alu-clad windows. To request a FREE sample, you can contact us at or 

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