Aluminum Doors
& Windows
Built for Your Project.
Custom thermal break systems, folding doors, sliding windows, and all-season sunrooms -- NFRC, AS2047, CE & AAMA certified. Serving contractors, architects, and importers worldwide.
Product Range
Engineered for
Every Opening.
From thermal break sliding systems to all-season sunrooms -- fully customizable to your project specs.
Thermal Break Sliding Windows
Double or triple glazing, polyamide thermal break, multi-point locking. Ideal for energy-efficient residential projects.
- NFRC / CE Certified
- Custom sizes & finishes
- Low-E glass available
Casement Windows
Outward or inward opening, single or double sash. Superior sealing performance for wind-driven rain resistance.
- AS2047 / AAMA Certified
- Multi-point hardware
- Wood grain finish option
Aluminum Folding Doors
2-7 panel configurations, top or bottom track, thermally broken frames. Perfect for open-plan living spaces.
- CE / AAMA Certified
- Up to 7 panels
- Custom RAL colors
Aluminum Entrance Doors
Solid aluminum construction with thermal break core, flush or panel design, multi-point locking for security.
- CE Certified
- Flush & panel designs
- Smart lock compatible
All-Season Sunroom Structure
Electric skylight, Low-E triple glazing, wood grain aluminum finish. Transforms unused outdoor space into a year-round living area.
- Electric opening skylight
- Low-E triple glazing
- Wood grain surface finish
- Full structural customization
Why GRT Industry
Built on Precision.
Backed by Proof.
Every project is supported by certified manufacturing, technical coordination, and reliable delivery.
International Certifications
NFRC, AS2047, CE, and AAMA certified -- meeting energy and structural standards for the US, Australia, Europe, and Middle East markets.
Full Customization
Custom aluminum profiles, glass specs (Low-E, triple glazing), hardware systems, and surface finishes (RAL colors, wood grain, anodized).
Technical Drawing Support
3D renderings and construction drawings provided for every project. We coordinate with your architect or site team to resolve installation conditions.
Flat-Pack Modular Packaging
Purpose-designed packaging minimizes transit damage. Container loading plans, export documentation, and installation guides included.
Factory Video Verification
Real-shot factory videos and photos at every production stage. Third-party or video-based final inspection supported before shipment.
15-25 Day Lead Time
Standard and custom production with reliable scheduling. OEM/ODM orders supported with dedicated project management from inquiry to delivery.