Aluminum Bifold Doors

As a leading aluminium window manufacturer with 20 + years of experience. Wellste offers a comprehensive service with one-stop delivery tailored to homes and projects worldwide.

Aluminum Bifold Doors

Wellste is a leading aluminium window manufacturer with 20 + years of experience.

Hot-selling Aluminum Bifold Doors

Large opening area with excellent watertightness, airtightness, and wind pressure resistance
Effectively saves indoor and outdoor space, simple operation, and effortless opening/closing
Combines adjustable and fixed hinges with top/bottom bolts and multi-point locking for stable closure, efficient assembly, and easy installation
Built-in tracks and bottom load-bearing structure support diverse opening configurations
Rubber seals between sash-to-pivot and sash-to-sash joints prevent pinching injuries

G88 External Folding Door

Aluminum Profile:

6063-T66,2.2mm wall thickness

Thermal Break Strip:

PA66 Nylon Thermal Break Strip

Hardware:

American Simek hardware mounted on German HOPPE handles

Sealing Strip:

EPDM Automotive-Grade Sealing Strip

Hot-selling Aluminum Bifold Doors

G88 External Folding Door

Aluminum Profile:

6063-T66,2.2mm wall thickness

Thermal Break Strip:

PA66 Nylon Thermal Break Strip

Hardware:

American Simek hardware mounted on German HOPPE handles

Sealing Strip:

EPDM Automotive-Grade Sealing Strip

Why Top Brands Choose Wellste

웰스테에서는 품질이 최우선입니다. 이를 통해 신뢰를 얻습니다.

Wellste는 계약업체, 알루미늄 창호 도매업체, 개발업체, 그리고 주택 소유주에게 다양한 종류의 창호를 제공합니다. 무한한 맞춤형 솔루션을 모두 제공합니다.

Application For Scenes

North American Housing

AAMA 1000-Hour Weathering Certification, Stable Operation from -30°C to 60°C

Suitable Projects: Mid-to-High-End Residential Communities, Villas
Key Parameters: Maximum Span 6m, Profile Thickness 1.8mm

Coastal Commercial

Waterproof Rating: 9A，EPDM Sealing Gasket，Salt Spray Corrosion Resistance

Suitable Projects: Seaside Hotels, Commercial Complexes
Key Parameters: Maximum Span 8m
Hardware Components: Anti-corrosion Treatment

Cold Climate Zones

NFRC Energy Efficiency Certification, U-value ≤ 1.8

Suitable Projects: Northern high-rise residential buildings, office buildings
Key Parameters: Double-pane insulated glass, wind pressure resistance ≥ 350Pa

The reason why it is loved by many top brand customers

빠른 배송

20+ years exporting aluminum bifold doors to US, Canada, Australia, UK & more
Urgent orders: 18-day turnaround (cloud warehouse + robotic arms). Regular orders: 4-5 weeks (faster than competitors)
Priority containers guarantee on-time arrival—save costs, meet deadlines

Multiple Certifications, Quality Assurance

AAMA: 1000-hour weathering test ensures no fading or water penetration for 5 years of outdoor use
Full production process monitoring with quality inspection pass rate ≥99.5% to prevent rework losses

Various performance tests

We conduct various performance tests, such as thermal break testing, thermal insulation performance testing, and sound insulation testing.
Wellste doors and windows achieve excellent performance. If you’d like to see specific test results, we can send you a video!