



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