After more than ten years of technical accumulation and research and development, the r&d team has formed a perfect product system. Product Quality inspection: IQC(Incoming Quality Control) , IPQ (Input Process Quality Control, FQC(Final Quality Control) .And has obtained the product test report and the authentication certificate of many countries .
Window Performance
Window Type |
Bi-folding Doors |
U-value (Differ by glass types) |
0.8 -2.5W /m2·K |
Water Tightness |
600Pa |
Wind Load Capacity |
4500 Pa |
Noise Reduction |
≤41 db |
Product Details
Application Cases
We have a wide range of wood window and door systems; Suitable for commercial, residential, leisure and healthcare applications.
Product Features
DORWIN believe that client's houses come in all shapes and sizes, which means that the windows in these homes also vary in shape and size. That’s why we design and build windows based on your specific requirements. So whether it’s a big home, a small home, a traditional or contemporary home, we have a solution that is just right for you.
Contact: Lily
Phone: +8613811858262
Tel: +8613811858262
Email: Lily@dorwin.cn
Add: No. 48, Government Street, Xiji Town, Tongzhou District, Beijing