Most Famou Aluminium Bi folding door
Siegenia Aluminum Bi Folding Door
Fantastic Aluminum Bi Folding Door
Aluminum Bi Folding Door(Bi Folding doors) sometimes called concertina doors, folding doors, or multi folding.
Aluminum Bi Folding Door can create a 90% clear opening which turns your outside space into another usable room for the house or business.
Aluminum Bi Folding Door are a fantastic alternative to French doors or patio doors which only offer a 40% opening.
Choose Our Aluminum Bi Folding Door, Choose the Success!
| Place of Origin: | Beijing, China (Mainland) |
| Brand Name: | Doorwin Aluminum Window and Doors |
| Model Number: | Aluminum Window-Doorwin |
| Profiles | 1: 6063-T5 High Quality Thermal Break Aluminium Profiles |
| 2: 6063-T5 High Quality Non-Thermal Break Aluminium Profiles | |
| 3: Solid Wood Aluminum Profiles | |
| Glass Type | 1: Double toughened glazing: 5mm+12A+5mm,6mm+12A+6mm |
| 2: Single toughened glazing:6,8,10,12 | |
| 3: Laminated glazing:6.38,10.76,10.38 | |
| 4: Triple Glazing Tempered Glass: 5mm+9A+5mm+9A+5mm, 5mm+12A+5mm+12A+5mm, | |
| Hardware | 1: Germany Origin Made Brand Hardware-ROTO / SIEGENIA |
| 2: China Top Brand Hardware-KinLong | |
| 3: Australia Brand Hardware | |
| 4: USA Origin Brand-TRUTH | |
| Mesh/Fly Screens | 1: Stainless Steel Security Mesh |
| 2: Aluminium Security Mesh | |
| 3: Fiberglass Flyscreen | |
| 4: Retractable Flyscreen | |
| Surface Finishing | 1: Akzo-Nobel Interpon Powder coating |
| 2: Anodized-Clear / Black / Bronze | |
| 3: Electrophoresis | |
| 4: Wood Grain | |
| 5: Fluorocarbon(Kynar Finishing) | |
| Service: | Quick Technical Support / Enough Spare Parts for Maintenance |
| Performance: | Equivalent Or Better Than USA, EU, Australia, and Middle East. |
| Accessoires: | Installation Screws, Drain Hole Caps, Bolt Hole Caps etc. |
| Spare Parts | Self-Drilling Expansion Screw / Steel Joint Pieces |
Doorwin Group is a major Chinese manufacturer of windows and doors. Over the past decades, we have exported our products globally to include North America, Europe, and Australia. Our products are suitable for commercial and residential projects, with product lines at several price points to satisfy the needs of both premium and value markets. Our industry-leading customization services provides options to meet even the most stringent requirements.
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.
Our unique philosophy is centered on creating the most reliable and durable products for each performance class. This approach mitigates the inconvenience and cost of product failure to reduce total cost of ownership and maximize value to our clients. We take no shortcuts and we pledge to not compromise on the quality of our products.
Welcome to Doorwin Group. Experience the next level in service, support, quality and performance. 
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