Industry-Grade OEM Manufacturing

Custom OEM Aluminum Security Door Supplier & Exporters

Engineering Next-Generation Thermally-Broken Security Doors, High-Impact Glazing & Architectural Systems for Global Commercial and Residential Developments

35,000 m²
Smart Manufacturing Facility
16+ Yrs
Industry Expertise
$28M USD
Annual Export Volume
85 Engineers
Dedicated R&D Department
1,200+
Global Supply Partners

Featured Security Windows & Entry Systems

Explore our top-tier OEM architectural systems certified for windborne debris, anti-forced entry, and maximum thermal efficiency.

Modern Black Aluminum Awning Window
Superhouse American Style Modern Design NFRC Customized Size Tempered Glass Black Aluminum Crank Awning Window
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Single Hung Sliding Windows
Aluminum Hung Windows Modern Vertical Sliding Design With Decorative Grids Single Hung windows
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High Security Casement Window
Superhouse 2026 High Security Aluminum Casement Window Black Frame Tempered Double Glass Mosquito Net Popular
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Aluminum Folding Window
Superhouse Modern Design with High Quality Tempered Glass Windproof and Space-Saving Factory Price Aluminum Folding Window
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AS2047 Certified Casement Window
AS2047 Certified Aluminium Casement Window Double Glazed Argon Filled Heat Soaked Soundproof Explosion-proof for Garage Kitchen
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Florida NOA Impact Windows
New Design American Modern Style Custom Color Aluminum Double-Hung Windows, FPA NOA Certified Impact Window for Florida Projects
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Tilt and Turn Window
Superhouse Window for Hotel & Villa Energy Efficient Double Glass Glaze Window With NFRC Aluminum Tilt and Turn Window
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Apartment Aluminum Casement Window
Aluminum Casement Window Tempered Glass Window for Apartment and Hotel Aluminium Windows Frame Folding Window
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Engineering Architecture of High-Security OEM Aluminum Doors

Comprehensive Technical Analysis of 6063-T6 Extrusions, Thermal Insulation Breakages, and Anti-Intrusion Hardware Systems.

Structural Alloy & Profile Temper

Utilizing high-tensile 6063-T6 and 6005A-T6 structural aluminum profiles, our security frames achieve a yield strength exceeding 241 MPa. Wall thickness spans from 2.0mm to 3.5mm depending on load-bearing requirements, ensuring structural stability under high wind loads and physical impact force.

Polyamide Thermal Barriers

Engineered with PA66-GF25 (25% Glass Fiber Reinforced Polyamide) thermal break strips, our security entry profiles isolate interior and exterior thermal bridges. This architecture lowers global U-factors to under 0.24 BTU/h·ft²·°F while enhancing sound damping up to STC 45dB.

Multi-Point Security Locking

Integrated with European standard multi-point locking mechanisms (up to 7-point locking systems with anti-prying hooks), hardened steel deadbolts, and anti-drill cylinder guards designed to counter manual and mechanical break-in attempts compliant with EN 1627 RC3/RC4 grades.

Information Gain Insight: OEM Extrusion Tolerances & Performance Standards

Unlike standard architectural profiles, Grandex security profiles undergo a specialized dual-stage heat treatment process (T6 aging) that increases shear resistance by 38%. Combined with precision CNC profile milling, dimensional tolerance is held strictly within ±0.15mm across a maximum single length of 6.5 meters.

Global Compliance & Technical Specification Matrix

Cross-regional standards compliance verified through independent accredited test laboratories.

Certification / Target Market Wind Load / Structural Resistance Water Tightness & Air Infiltration Impact & Forced Entry Rating Primary Commercial Use
Florida NOA / FPA
North America High-Velocity Zone
TAS 202 (Design Pressure up to ±100 PSF) ASTM E331 Water Test (15 PSF Pass) TAS 201 / 203 Large Missile Impact Level D Coastal High-Rise, Luxury Villas, Commercial Facilities
NFRC Certified
US & Canada Energy Codes
NFRC 100/200 Thermal Rating Matrix ASTM E283 Air Leakage <0.1 cfm/ft² SHGC Range: 0.18 - 0.35 | U-Factor: 0.20 - 0.26 Green Building Projects, Net-Zero Residential
AS2047 / AS1170
Australia & New Zealand
Ultimate Limit State (ULS) up to 4500Pa Serviceability Limit State (SLS) 450Pa Water AS2208 Safety Glazing Standard Compliant Residential High-Rises, Multi-family Apartments
EN 1627 / CE Mark
European Union & UK
EN 12210 Wind Resistance Class C5 EN 12208 Water Tightness Class 9A RC2 / RC3 / RC4 Resistance Class Security Embassy Facilities, High-Security Residential, Banks

China Factory 4.0: Supply Chain Resilience & Manufacturing Precision

Inside Grandex Door Solutions: 35,000 m² Automated Production Ecosystem Engineered for Zero-Defect OEM Delivery.

Automated CNC Processing Centers

Our intelligent 5-axis CNC machining centers execute multi-dimensional drilling, slotting, and milling operations with micro-level accuracy (±0.05mm). This guarantees frictionless hardware installation and seamless miter joints across custom door frames.

45-Member Rigorous QA Division

Quality control operates under strict ISO 9001 protocols. Every profile batch undergoes spectral composition analysis, paint adhesion cross-hatch tests, and dynamic cycle testing (over 200,000 opening/closing cycles) prior to assembly.

Robust Supply Chain Integration

Backed by more than 1,200 verified raw material and hardware partners, Grandex maintains guaranteed aluminum billet reserves, mitigating price volatility and securing stable 25-30 day manufacturing lead times for large-scale procurement.

End-to-End Smart Production & Quality Assurance Workflow

Visualizing our raw material processing, robotic cutting, intelligent sorting, and certified laboratory testing workflow.

Raw materials storage and inspection
Raw Materials Storage & Inspection
Sawing aluminum profiles
High-Precision Profile Sawing
Milling aluminum frame profiles
Hardware Slot Milling
CNC Milling automated process
Automated CNC Profile Milling
CNC Drilling precision machine
Precision CNC Drilling
CNC Machining Center
Integrated CNC Work Center
Automated Profile Cutting
Automated Linear Profile Cutting
Intelligent Sorting System
Intelligent Component Sorting
Checking and Packing Line
Checking & Export Packing
Heavy duty Sawing Machine
Heavy-Duty Sawing Machine
Milling Machine Equipment
Multi-Axis Milling Machine
CNC Milling Equipment
Digital CNC Milling Station
CNC Drilling Machine Equipment
Automatic CNC Drilling Unit
CNC Center Machine Operations
Robotic CNC Milling Center
Double Head Cutting Saw
Double-Head Precision Cutting Saw
Intelligent Sorting Line System
Intelligent Automated Sorting Line
Semi-finished products inspection
In-Process QC Inspection Stage
Window and Door Performance tester
Lab Air/Water/Wind Performance Tester

Technology Roadmap & Next-Generation Innovations

Pioneering smart access integration, structural decarbonization, and extreme thermal isolation technology.

IoT & Biometric Smart Access

Next-gen security systems integrate embedded micro-motor locks, concealed biometric scanners, dynamic RFID entry, and encrypted smart-home network integration (Matter / Zigbee protocols) while retaining physical security ratings.

Vacuum Insulated Glass (VIG) Systems

Pioneering ultra-thin Vacuum Insulated Glass units with thermal performance matching solid walls (U-factors down to 0.08 BTU/h·ft²·°F), drastically cutting total door weight while maximizing sound insulation and bulletproof performance.

Low-Carbon Recycled Alloys

Advancing sustainability with 75%+ recycled primary aluminum extrusions powered by clean hydro-electric smelting. Achieving EPD (Environmental Product Declaration) certification for LEED-certified commercial green building tenders.

Macro-Industry Procurement & Application Scenarios

Tailored OEM architectural solutions designed for global commercial developers and specialized contractors.

Coastal Hurricane & High-Wind Zones

For coastal resorts and waterfront high-rises in storm-prone regions like Florida and the Caribbean, our impact-rated doors feature laminated structural PVB/SGP interlayers and heavy-gauge reinforced aluminum frames capable of withstanding cyclic pressure forces up to ±100 PSF and direct missile impact tests.

Commercial Hotel & Storefront Panic Exit Systems

Engineered for high-traffic public venues and hospitality projects. Includes UL-certified panic breakout hardware, fire-rated glass integration, electric push-bar release systems, and ADA-compliant low-profile threshold saddles designed for rapid egress safety compliance.

High-End Multi-Family Residential Complexes

Combining contemporary slim-frame aesthetic designs with heavy-duty multi-point security locks. Provides developers with customizable surface finishes (powder coating, fluorocarbon PVDF, anodizing, wood grain sublimation) that withstand harsh coastal atmosphere corrosion for over 25 years.

Prefabricated & Modular Construction Solutions

Custom prefabricated door modules engineered for off-site modular housing construction. Features precision-engineered mounting flanges, pre-drilled anchors, and factory-installed perimeter weather-seals that accelerate on-site installation by up to 40%.

Commercial Entry Doors & Hurricane Impact Series

High-performance exit doors, lift-sliding systems, and thermal break French swing doors.

Commercial Aluminum Electric Panic Door
Impact NOA NFRC AS2047 Maimi Dade Approval Commercial Aluminium Door Panic Door Aluminum Escape Door with Electric Motor
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Hurricane Resistant Exterior French Doors
NOA Certified Wind & Hurricane Resistant Modern Aluminum Double Glazed Exterior French Doors for Prefabricated Homes
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Commercial Hotel Thermal Break Windows and Doors
Commercial Hotel building window & door USA standard Anodized thermal break alu. room window with PTAC & storefront & panic door
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Thermal Insulated Lift Sliding Door
Canada USA Meeting Room Thermal Insulated Double Glass Door Aluminium Lift Sliding Door Chamber Door
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Emergency Escape French Doors
Emergency Exits Safe Escape Door Easy to Open Aluminum Exterior Double Glass French Swing Casement Doors
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Hurricane Impact Folding Casement Window
Modern Design Hurricane Impact French Double Glazed Soundproof Casement Window Broken Bridge Aluminum Folding Open for House
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NOA Certified Thermal Break Casement Window
NOA Hurricane Certified Thermal Break American Window Big Glass Panel Aluminum Swing Casement Window with Retractable Mesh
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NFRC Single Hung Window
Superhouse Vertical Slide up Window Modern Style Design Sash Windows NFRC American Standard Aluminum Single Hung Window
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Frequently Asked Questions (Technical B2B Procurement)

Clear, authoritative answers regarding engineering capabilities, OEM customizations, international logistics, and testing compliance.

What custom OEM options are available for specialized architectural projects?

Grandex provides full-spectrum OEM and ODM customization. Our 85-engineer R&D team supports tailored aluminum extrusion profiles, custom frame depths, specific thermal break polyamide widths, custom RAL powder coating colors, anodized metal textures, specialized decorative glass (smart switchable electrochromic, triple-pane Low-E, laminated security glass), and custom hardware integration from top European and American brands (such as Hoppe, Siegenia, GU, and Yale).

How do Grandex aluminum security doors achieve high forced-entry protection ratings?

Our security doors incorporate multi-point locking systems with anti-drill manganese steel plates, heavy-duty continuous or 3D adjustable security hinges rated for up to 300kg sash loads, and structural 6063-T6 aluminum frames with internal steel reinforcing cores. Glazing units use laminated safety glass with SGP (SentryGlas®) interlayers, securing EN 1627 RC3/RC4 ratings and ASTM anti-burglary standard compliance.

What hurricane impact certifications do your aluminum doors and windows hold?

Our high-impact product line is independently tested and certified under Florida Building Code Notice of Acceptance (NOA) and Florida Product Approval (FPA). They comply with TAS 201 (Large Missile Impact Test), TAS 202 (Uniform Static Air Pressure), and TAS 203 (Cyclic Wind Pressure Loading), making them approved for High-Velocity Hurricane Zones (HVHZ) including Miami-Dade and Broward counties.

How does Grandex ensure corrosion resistance in harsh coastal marine environments?

All aluminum extrusions undergo automated pre-treatment chromating followed by AkzoNobel or PPG PVDF (Fluorocarbon) liquid coating or QUALICOAT-certified thermosetting powder coatings. Surface finishes are tested via ASTM B117 Neutral Salt Spray testing for over 3,000 to 5,000 hours without blistering, chalking, or color fading, making them optimal for beachfront developments.

What is the standard production lead time and minimum order quantity (MOQ)?

Standard custom production lead time is 25 to 35 business days following final approval of engineering shop drawings. For standard commercial project profiles, our flexible MOQ starts at 50 square meters. For custom profile extrusion dies, tooling fabrication takes 10 to 14 days with sample sign-off prior to mass production.

What global shipping, packing, and localized engineering support do you offer?

Grandex exports globally with annual revenues exceeding $28 Million USD. Products are packaged using multi-layer protection: protective film, foam corner protectors, vacuum shrink wrap, and fully enclosed IPPC-stamped fumigated plywood crates. We provide comprehensive DDP/CIF shipping logistics support, CAD/BIM shop drawings, and remote/on-site installation guidance for foreign commercial project developers.