Detroit vinyl crank out windows on China WDMA
With a factory area of 20,000m2 and production capacity of 100,000m2/year, Doorwin Group has the scale to ensure timely delivery and the flexibility to reduce manufacturing lead times to as little as 18 days.
We are dedicated to the pursuit of energy efficient, eco-friendly and cost-effective products and through our research and development have made great strides in the performance categories of thermal-insulation, structural strength, weatherproofing, sound-insulation, and condensation resistance. Our products are designed to exceed North American NFRC code requirements. Independent testing by Intertek USA confirms that our products perform exceptionally well in all climate zones.
Decades of experience shipping our products worldwide has given us the expertise to ensure that our products arrive to their final destinations intact. We’ve developed a 4 point system to prevent any damage during the various stages of the manufacturing process and shipping:
1) A protective film covering the surface of aluminum profiles.
2) Specialized cardboard encapsulating the window surfaces and corners
3) Plastic stretch wrap covering the glass.
4) Windows and placed within a non-fumigated ply-wood crate