What is the minimum order quantity for aluminum windows and doors?

Because every unit is made to measure, VELTOR accepts single-project orders as well as container-load dealer orders. The practical minimum is usually defined by shipping economics, so we help buyers consolidate windows and doors into one shipment.

Do you offer thermal break aluminum windows for cold climates?

Yes. Our thermal-break systems use polyamide insulating strips combined with double or triple insulated glass units, Low-E coatings and warm-edge spacers. Final thermal performance depends on the system series and glass build-up chosen for your climate zone.

Can you manufacture to my local building standards?

We engineer each project against the buyer's target standards for wind load, water tightness, air permeability and safety glazing, and provide the related documentation for review before production.

How are windows and doors packed for export?

Frames are protected with film and corner guards, glass units are separated, and finished products are loaded in reinforced wooden crates labeled by opening number to simplify on-site installation.

Custom OEM Aluminium Casement Windows Manufacturers & Suppliers

Q: What is the typical production lead time?

Lead time depends on order size, finish and glass specification. After drawings are confirmed and the deposit is received, we issue a written production schedule so buyers can plan shipping and installation.

Architectural Fenestration Engineering · NFRC & AS2047 Certified · OEM/ODM Solutions

Featured OEM Aluminium Casement Window Series

Precision-Engineered Architectural Systems Certified for International Commercial & Luxury Residential Projects

OUNA NFRC Hurricane Proof Impact Window Energy Saving Low E Glass Thermal Break Casement Aluminum windows and Doors for House

Beigeman Modern Double Glazed Aluminium Casement Windows High Quality Soundproof Tempered Glass for House Villas Kitchen Hotel

Modern Aluminum Casement Windows With Low E Glass Triple Glazing Soundproof Window For Luxury House Outward & Inward Opening

Thermal Break Casement Aluminum Windows with 27A Double Glazed Glass, Aluminium Window Awning for Houses Energy Efficient

ZEKIN NFRC AS2047 Slim Frame Windows Modern Soundproof Hurricane Aluminum Alloy Triple Double Glazed Low-E Casement windows

EEHE Modern Arched Thermal Insulation Casement Windows Aluminum NFRC Certified Double Glazed Soundproof Swing Windows for Villa

High Strength Villa Hotel House Waterproof and Soundproof Window

High Strength Villa Hotel House Waterproof and Soundproof Double Glazed Glass Aluminum Alloy Outward Opening Casement Windows

Soundproof Aluminum Casement Windows with Screens Aluminum Awning Casement Tilt and Turn windows for Residential

6063-T6

Architectural Aluminum Alloy

PA66-GF25

Polyamide Thermal Barriers

Rw 45 dB

Acoustic Reduction Index

U ≤ 0.8

W/m²·K Thermal Performance

Technical Sourcing Guide: OEM/ODM Aluminium Casement Windows Engineering

In global commercial construction and high-end residential real estate, sourcing custom OEM aluminium casement windows requires navigating complex intersections of thermal performance structural load metrics, envelope longevity, and regulatory compliance. Modern architectural specifications demand far more than basic structural containment—they require high-integrity thermal-break isolation, hurricane-impact resilience, acoustic dampening, and strict adherence to international building codes including North American NFRC / CSA, European CE / EN 14351-1, and Australian AS2047 standards.

Metallurgy & Extrusion Precision

Fabricated using prime-grade 6063-T5/T6 architectural aluminum alloy extrusions with minimum wall thicknesses ranging from 1.4mm to 3.0mm (conforming to GB5237 / ASTM B221). Profile cross-sections are structurally reinforced to withstand extreme positive and negative wind loads up to 5000 Pa.

Thermal Break Isolation

Incorporating PA66 GF25 (25% glass fiber reinforced polyamide) thermal insulation strips. This mechanical barrier eliminates thermal bridging across frame cavities, drastically reducing whole-window U-factors down to 0.8–1.4 W/m²·K when paired with Low-E triple-pane glass setups.

Acoustic & Air/Water Sealing

Utilizing continuous triple-stage EPDM (Ethylene Propylene Diene Monomer) gasket seals combined with vulcanized corner joints. Compression-sealed casement sashes achieve superior air tightness (Class 4 / A4) and water penetration resistance up to 700 Pa.

Engineering & Technical Performance Matrix

The matrix below details standard engineering capabilities available for custom OEM/ODM manufacturing protocols.

Performance Characteristic	Testing Standard / Metric	OEM Specification Capability	Engineering Benefit
Thermal Transmittance (U-Factor)	NFRC 100 / ISO 10077-2	0.14 – 0.28 BTU/h·ft²·°F (0.8 – 1.6 W/m²·K)	Maximizes HVAC energy efficiency; satisfies Net-Zero & LEED requirements.
Structural Wind Load	ASTM E330 / AS 4055 / EN 12210	Serviceability: ±2500 Pa \| Ultimate: ±5000 Pa	Resists severe wind pressure in coastal zones & high-rise applications.
Air Infiltration Sealing	ASTM E283 / EN 12207	< 0.1 ft³/min/ft² (Class 4 / A4 Standard)	Eliminates draft currents and prevents energy loss across perimeter seals.
Water Penetration Resistance	ASTM E547 / ASTM E331 / EN 12208	Static / Cyclic Pressure: 450 Pa – 750 Pa	Prevents internal water ingress during driving rainstorms and typhoons.
Sound Transmission Class (STC)	ASTM E90 / ISO 140-3	STC 38 dB – STC 48 dB (with Laminated IGU)	Mitigates urban, industrial, and aviation ambient noise pollution.
Hardware & Security Locking	EN 1627 RC2 / RC3 / PAS 24	Multi-Point Shoot-Bolt Locks (CME / Siegenia / HOPPE)	Provides forced-entry defense and uniform gasket compression.

Evolutionary Architectural Trends in Casement Systems

The global demand for custom aluminum casement windows is undergoing a paradigm shift driven by modern architectural aesthetics and environmental regulations:

Ultra-Slim Sightlines & Flush Sashes: Architects are demanding minimal profile widths (<45mm visible sightline) that maximize daylighting while integrating sashes flush with outer frames for sleek modern facades.
Concealed Heavy-Duty Hinges: Hidden 180-degree friction stays and heavy-duty 120kg+ multi-pivot hinges maintain pristine aesthetic lines without compromising structural sash weight limits.
Alu-Wood Hybrid Composites: Combining exterior weather-resistant extruded aluminum profiles with interior warm natural solid timber (Oak, Teak, Pine) for high-end luxury residential developments.
Integrated Flyscreen & Security Mesh: Factory-built dual-track systems integrating high-strength 304/316 stainless steel security mesh (0.8mm wire diameter) directly into the casement profile structure.

Future Procurement Trends for B2B Global Buyers

Sourcing strategies among major developers, facade contractors, and regional distributors are rapidly shifting toward integrated supplier partnerships:

BIM Level 2 & Digital Twin Integration: Procurement teams now mandate 3D Revit / BIM object files for pre-construction clashes and building envelope simulation prior to extrusion production.
Decarbonization & Low Embodied Carbon: Sourcing requirements increasingly audit the carbon intensity of primary aluminum billets, pushing factories toward green-energy smelting and recycled scrap contents.
Rigorous Pre-Shipment Validation: Third-party factory acceptance testing (FAT) including mock-up water spray chamber verification, coating thickness testing (Qualicoat Class 2 / PVDF 3-coat), and hardware cycle testing (25,000+ cycles).
Turnkey OEM Customization: Sourcing directly from Foshan industrial hubs to obtain end-to-end custom tooling, private-label packaging, and unitized crate numbering aligned with site erection schedules.

Enterprise Advantages: Veltor Window & Door Co., Ltd.

Direct Factory Manufacturing Infrastructure Located in Foshan, China—The World's Architectural Aluminum Hub

Foshan Supply Chain

Direct integration with top-tier raw profile extrusion lines, hardware foundries, and glass processing plants.

Precision CNC Line

Digital double-head cutting saws and automated multi-axis CNC machining centers ensuring ±0.5mm tolerances.

Global Compliance

Fully certified testing portfolio including NFRC, AS2047, CE EN14351-1, CSA, SGCC, and ISO 9001 systems.

Export Crate Protocol

Heavy-duty fully enclosed plywood crating, corner edge protectors, film wrapping, and container loading strategy.

Bespoke OEM/ODM

Custom die extrusion opening, customized hardware branding, specialized powder coating (RAL/Qualicoat), and shop drawings.

Frequently Asked Questions for Sourcing Managers

Essential Guidance for Importers, Architects, Developers, and Fenestration Contractors

What is the minimum order quantity (MOQ) for custom OEM aluminium casement windows?

Because every architectural unit is manufactured to bespoke project dimensions, Veltor Window & Door Co., Ltd. flexible MOQs tailored to both project-specific builder orders and full container-load (FCL) dealer stock shipments. For custom extrusion profiles or specialized RAL surface finishes, practical MOQs are governed by die setup economics; consolidated shipping options are provided to optimize sea freight costs for smaller luxury villa orders.

How do thermal-break aluminium casement windows compare to non-thermal break profiles?

Thermal-break windows incorporate a structural polyamide (PA66 GF25) insulating strip between the interior and exterior aluminum profile extrusions. This breaks the conductive metal path, reducing heat transfer by up to 60%. Non-thermal break profiles allow severe thermal conduction, leading to high interior energy loss and condensation risk in cold or hot climates. Thermal break systems are essential for satisfying modern energy building codes (such as ASHRAE 90.1, Title 24, or European EPBD).

Can your factory produce casement windows compliant with North American NFRC and Australian AS2047 standards?

Yes. Our window systems are engineered, tested, and documented to comply with specific regional standards. We offer NFRC thermal performance ratings (U-factor, SHGC, Visible Transmittance), Australian AS2047/AS1288 structural & glazing compliance, European CE mark (EN 14351-1), and Canadian CSA/NAFS standards. Official test reports and engineering calculation packages are provided during the shop drawing submittal phase.

What structural glass and glazing configurations are available for export orders?

We supply a complete array of Insulated Glass Units (IGU), including double glazing (e.g., 6mm + 12Ar + 6mm Low-E), triple glazing (for extreme cold/acoustic demands), laminated safety glass (PVB/SGP interlayers for hurricane impact and sound isolation), tinted/reflective glass, and ceramic fritted spandrel units. All safety glass carries SGCC, CE, or AS/NZS 2208 certifications.

How are finished window units packed to guarantee zero-damage ocean transport?

Export packing follows a rigorous multi-layer protocol: aluminum frame surfaces are wrapped in protective anti-scratch film, corners are shielded with thick polyethylene foam guards, glass panels are separated by cork pads, and complete window assemblies are loaded inside heavy-duty, fumigation-free solid plywood crates. Each crate is clearly stenciled with window schedule tags, opening numbers, and floor levels to facilitate organized jobsite distribution.

What is the typical production lead time from drawing sign-off to container loading?

Standard manufacturing lead times are typically 25 to 35 calendar days following client confirmation of CAD shop drawings and receipt of deposit. Standard lead times may adjust depending on specialized finish requirements (e.g., custom PVDF color matching, anodizing micron depth, or custom hardware sourcing). A binding production schedule is issued with every formal contract.

Ready to Request Engineering Shop Drawings & Factory Quotes?

Consult with our Foshan-based architectural engineering team to analyze your window schedule, evaluate wind-load parameters, and calculate project shipping costs.