Bi-folding Window Manufacturers & Exporter for the United States Market

Advanced Engineering | Precision Manufacturing | Global Standards

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Premium Manufacturing Solutions

Raw materials

Sawing

Milling

CNC Milling

Industry Leadership & Market Insight

Established in 2014, Grandex Door Solutions Co., Ltd. has evolved into a powerhouse of architectural fenestration. Operating from a 35,000 m² facility, we leverage 16 years of industry expertise to serve the rigorous demands of the North American real estate and commercial construction sectors.

16+
Years Experience
$28M
Annual Export
1200+
Partners

The United States Market: Bi-folding Windows Trends

The U.S. residential and commercial landscape is currently shifting toward "Indoor-Outdoor Living." Bi-folding windows serve as the critical architectural component for luxury residential spaces and high-end restaurant storefronts. Our U.S. clients prioritize thermal efficiency (NFRC ratings) and high-security locking mechanisms, areas where Grandex excels through our internal 45-member QA team and third-party laboratory verification.

Manufacturing Excellence

CNC Drilling
CNC Center
Cutting
Intelligent Sorting
Checking and Packing
Sawing Machine
Milling Machine
CNC Milling Machine

Frequently Asked Questions (FAQ)

Q: Can you customize dimensions for U.S. residential projects?
A: Yes, our R&D team of 85 specialists provides full custom solutions, including specific dimensions and surface finishes compliant with U.S. building codes.

Q: How do you ensure product durability for export?
A: We utilize strict ISO 9001 certified internal testing combined with rigorous third-party verification to meet the high standards of North American markets.