Welcome: Beijing Dorwin Decoration Engineering Co., Ltd.
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Bi-folding door

  • bi-folding door
bi-folding door

bi-folding door

  • Profile Series: DW68
  • Open Style: Swing Open
  • Surface Finishing: Customized Glass Type: 5+12A+5m
  • Hardware: Original German Brand
  • Product description: bi-folding door
Quality Assurance

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


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

● 68mm frame depth
● 19-40mm insulated glass
● German hardware for 10 years warranty.
● EPDM full sealing ensures complete weather proofing
Door Colors
DORWIN chooses high quality paint for its strong and durable finish, to provide 10-20 years of quality satisfaction. We offer a standard range of colors to choose from, or can create a custom color to suit your individual design needs.
Door Sizes

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

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