China Top Aluminium Back Doors Factories & Supplier

Engineering Excellence, Superior Thermal Break Security, and Global Architectural Solutions

🏢 Enterprise Authority & Supply Chain Excellence

Registered in 2018, Hangzhou Velox Architectural Glass & Window Co., Ltd. spans a manufacturing area of 22,000 square meters. Rooted in 9 years of deep industry knowledge and 6 years of international export operations, our annual export revenue reaches $18 million. Our products are widely distributed throughout Southeast Asia, Oceania, and South America, serving commercial project contractors, interior design firms, and regional wholesalers.

To safeguard quality, our team of 25 QC professionals strictly executes ISO-certified batch sampling, coating thickness testing, and hardware endurance evaluations. Backed by 480 upstream partners, Velox offers flexible OEM/ODM customization options including custom glass thicknesses, acoustic insulation frames, and anodized finishes. Our core R&D unit consists of 32 specialized engineers who successfully developed and released 28 new energy-efficient window models last year.

22,000㎡
Advanced Manufacturing Facility
$18M
Annual Global Export Revenue
480+
Verified Upstream Partners
32
Specialized R&D Engineers

⚙️ Precision Manufacturing & Advanced Production Workflow

Our state-of-the-art production lines utilize cutting-edge machinery to ensure that every aluminium back door and architectural element meets international standards of durability, aesthetic brilliance, and weather resistance.

Cleaning
Cleaning Process
Drying
Drying Treatment
Spraying
Powder Spraying
Film Covering
Film Covering
Cutting
Precision Cutting
Drilling
CNC Drilling
Assembling
Frame Assembling
Water Pool
Water Pool Testing
Water Drying Furnace
Water Drying Furnace
Spraying Line
Automated Spraying Line
Film Covering Machine
Film Covering Machine
Cutting Machine
Cutting Machine
Drilling Machine
Drilling Machine
Foaming Machine
Foaming Machine
Aluminum Profile Gear Cutting Machine
Gear Cutting Machine
Aluminum Profile Combination Machine
Combination Machine
Shearing Machine
Shearing Machine
Bending Machine
Bending Machine
Punching Machine
Punching Machine
Double Angle Sawing Machine
Double Angle Sawing Machine
Heat Shrinkage Packing Machine
Heat Shrinkage Packing
Welding Machine
Welding Machine

🔬 Rigorous Quality Assurance & Testing Lab

Quality is at the core of our manufacturing philosophy. We deploy advanced laboratory testing equipment and precision measurement tools to verify structural integrity, weather resistance, and compliance with global construction standards.

Membrane Meter
Membrane Meter (Coating Thickness)
Vernier Caliper
Vernier Caliper (Dimension Precision)
Micrometer
Micrometer (Tolerance Verification)
Vickers Hardness Tester
Vickers Hardness Tester
Waterproofing Test Room
Waterproofing Test Room

📊 Industry Whitepaper: Localized Applications, Technology & Future Roadmap

As global architecture evolves toward greater sustainability, energy efficiency, and security, aluminium back doors have transitioned from basic functional entries into high-performance architectural assets. In tropical regions of Southeast Asia, our thermal-break aluminium systems mitigate solar heat gain while resisting high humidity and torrential rains. In Oceania and South America, coastal installations demand superior corrosion resistance and wind-load resilience, standards easily met by our marine-grade alloy extrusions and multi-point locking hardware.

Looking ahead, the technology roadmap for aluminium fenestration focuses on smart-home integration, ultra-low U-values through advanced polyamide thermal barriers, and circular manufacturing processes that reduce carbon footprints. Chinese manufacturing has achieved unmatched supply chain resilience through clustered industrial ecosystems, enabling rapid prototyping, economies of scale, and stringent quality control that rival European benchmarks at competitive global pricing.

❓ Frequently Asked Questions (Q&A)

💡 What makes Chinese aluminium back doors superior in global projects?

China's mature aluminum extrusion supply chain—paired with advanced automated processing like CNC cutting, double-angle sawing, and strict ISO testing—allows manufacturers like Velox to offer certified thermal-break doors with high customization and cost efficiency.

💡 Are Velox aluminium back doors certified for international building standards?

Yes. Our products comply with major international certifications including CE, ISO, and NFRC, ensuring optimal structural performance, air/water tightness, and energy efficiency for commercial and residential villas worldwide.

💡 Do you support OEM/ODM customization for architectural contractors?

Absolutely. Backed by 32 specialized R&D engineers and 480 upstream partners, we provide fully tailored solutions in glass thickness, acoustic insulation, frame finishes, and hardware configurations to meet exact project blueprints.