Aluminium Window Frame Extrusions for 2026: Your OEM Partner in China’s Trusted Supply Chain
Import managers, brand owners, and wholesalers searching for aluminium window frame extrusions that meet US building codes, AAMA performance standards, and demanding delivery schedules need a partner who can guarantee quality at scale. Shijiazhuang TJJ TRADE CO.,LTD. combines two decades of metal manufacturing expertise with direct access to China's most efficient supply chains, delivering OEM aluminium window profiles that are precision-extruded, third-party tested, and ready for your specifications—whether you need 500 or 50,000 units per order.
Why Importers and Brand Owners Are Choosing Aluminium Window Frame Extrusions in 2026
The US window and door market is shifting rapidly toward higher thermal performance, tighter air infiltration ratings, and greater design flexibility. Aluminium extrusions offer the structural strength and slim sightlines that architects and homeowners demand, while new thermal break technologies bring U-factors below 0.30 W/m²K—competitive with vinyl and wood. For commercial and residential projects alike, aluminium window frame extrusions deliver:
- Strength-to-weight ratio that allows larger glass panes without deflection.
- 100% recyclability—critical for LEED and green building certifications.
- Surface finish versatility (anodized, powder coated, wood grain) that withstands UV and corrosion for 25+ years.
- Dimensionally consistent extrusions with tight tolerances (±0.1 mm) for reliable fabrication.
According to the 2025 Fenestration & Glazing Industry Survey, 62% of US window fabricators now specify aluminium for commercial projects, and residential adoption is growing at 8% CAGR. For import managers and sourcing agents, this means finding a supplier who can consistently deliver aluminium window frame extrusions that meet AAMA 2605 (coating performance) and ASTM B221 (alloy specifications) is no longer optional—it is a competitive necessity.
Critical Challenges When Sourcing Aluminium Window Frame Extrusions from Overseas
Every sourcing agent and brand owner we speak to mentions the same pain points. Here is how TJJ addresses each one:
| Challenge | Industry Impact | TJJ's Approach |
|---|---|---|
| Inconsistent quality across batches | Rework costs, project delays, brand reputation damage | ISO 9001 process control; in-house chemical lab tests every 50 extrusions |
| Long lead times (60–90 days common) | Missed construction deadlines, inventory shortages | 30–45 days standard; expedited 25-day service available |
| OEM design misalignment between drawing and production | Installation failures, wasted material | Free DfM review; 3D profile check before die cutting |
| Compliance gaps with US codes (AAMA, NFRC, ASTM) | Shipments held at customs; legal liability | Third-party test reports provided with every shipment |
* Data points are based on TJJ internal quality records. Final specifications per order confirmation.
TJJ's Solution: Aluminium Window Frame Extrusions Built for Performance
Technical Specifications
| Parameter | Standard Range | Custom Options |
|---|---|---|
| Alloy | 6063-T5 / 6063-T6 | 6061-T6, 6005-T5 |
| Wall Thickness | 1.2 mm – 3.0 mm | Up to 5.0 mm for structural frames |
| Surface Finish | Powder coating (60–120 μm), Anodized (AA15–AA25) | Wood grain, PVDF (Kynar 500), Electrophoresis |
| Thermal Break | Polyamide strip (PA66GF25) | PU foam injected, CT values 2.0–4.0 W/m²K |
| Length | 3.0 m – 6.0 m standard | Up to 7.2 m per profile |
| Tolerance | ±0.15 mm (cross-section) | ±0.08 mm for precision applications |
* Alloy and temper verified by mill certificate. Surface gloss per ASTM D523. Please refer to actual order confirmation for final parameters.
Quality Assurance & Compliance
Every batch of aluminium window frame extrusions leaving TJJ's facility is tested for:
- Chemical composition (spectrometer analysis per ASTM E1251).
- Mechanical properties (tensile strength ≥ 205 MPa, yield ≥ 170 MPa for 6063-T6).
- Coating adhesion (cross-cut test per ASTM D3359, ≥ Class 4B).
- Salt spray resistance (1,000+ hours per ASTM B117 for anodized finishes).
- Thermal break pull strength (≥ 60 N/mm per EN 14024).
TJJ holds ISO 9001:2015 certification and can provide AAMA 501.1, ASTM B221, and NFRC simulation reports upon request. All test documentation is included with your shipment.
OEM/ODM Design Support – From Your Sketch to Finished Profile
Whether you are designing a new window series for the North American market or adapting an existing profile for lower cost, TJJ's engineering team provides:
- Design for Manufacturing (DfM) review – free of charge, typically completed within 2 business days.
- Die design and fabrication – our tool shop produces extrusion dies in 12–18 days.
- Sample production – 5–10 kg sample profiles for your testing and approval before mass production.
- Confidentiality agreement – your designs remain your IP; we never resell customer-specific dies.
High-Speed Delivery & Logistics
| Milestone | Standard Lead Time | Expedited Service |
|---|---|---|
| Die fabrication (custom profiles) | 14–18 days | 10 days |
| Sample production & approval | 5–7 days | 3 days |
| Mass production (MOQ 500 kg) | 20–25 days | 15 days |
| Shipping (FOB Tianjin/Qingdao) | 15–25 days to US West Coast | 10–12 days by express |
MOQ: 500 kg per profile for standard extrusions; 200 kg for custom OEM profiles with dedicated die.
Packaging: Each profile is individually wrapped with protective film, bundled with PP straps, and packed in wooden crates (IPPC heat-treated) for sea freight.
Payment terms: T/T (30% deposit, 70% against B/L copy) or L/C at sight. CIF, FOB, and DDP options available.
Application Scenarios: Where TJJ Aluminium Window Frame Extrusions Excel
High-rise office towers and hotels require extrusions with tight tolerances and uniform color across thousands of profiles. TJJ's anodized 6063-T6 extrusions deliver consistent gloss and structural performance for 20+ story façades.
For brand owners targeting the single-family and multi-family market, our thermal break profiles achieve U-factors as low as 0.28 W/m²K, qualifying for Energy Star 7.0.
Heavy-duty extruded tracks and frames support glass panels up to 3.2 m tall, with reinforced roller channels designed for 200 kg per panel.
What Our Clients Say
Import Manager, Pacific Window Systems (USA)
"We switched to TJJ in 2024 after quality issues with our previous Asian supplier. Their aluminium window frame extrusions are visibly more consistent—no warping, and the anodized finish passed our 1,200-hour salt spray test. Most importantly, their lead times have been within 35 days for our last four orders. That reliability lets us serve our US contractor clients without inventory anxiety."
Brand Owner, Mitchell Residential (Canada)
"As a small brand owner, I need a partner who treats my design as seriously as a big-volume order. TJJ's DfM team caught a subtle wall thickness issue in my original drawing that would have caused thermal bridging. They suggested a polyamide strip upgrade, and the final product performed 12% better in NFRC simulation. They think like engineers, not just extruders."
Wholesaler, Wilson Building Supplies (UK)
"We distribute to 120 fabricators across the UK and Ireland, so consistency across batches is non-negotiable. TJJ's ISO 9001 process shows—every bundle we've received had matching color, gloss, and dimensional tolerances. Their powder coating adhesion is excellent; we've had zero complaints about peeling after 18 months in service. Shipping from China to Felixstowe took 22 days, exactly as quoted."
Sourcing Agent, Torres Procurement (Australia)
"I vet suppliers for commercial construction projects in Sydney and Melbourne. TJJ provided third-party AAMA test reports without hesitation, and their factory audit showed well-maintained presses and a clean powder coating line. Their MOQ of 500 kg per profile is flexible enough for mid-size projects. We've now sourced 14 container loads of aluminium window extrusions through them—zero customs issues."

Why Shijiazhuang TJJ TRADE CO.,LTD.?
Founded in the early 2000s, TJJ began as a foundry and metal fabrication workshop in Shijiazhuang, Hebei Province—a region long recognized as a hub of China's metal casting and extrusion industry. With over 20 years of hands-on experience in shaping metal, our team has grown to include skilled engineers, metallurgists, and export specialists who understand exactly what international buyers require.
Skilled employees across foundry, extrusion, and finishing lines
Manufacturing campus including die shop, extrusion press hall, and finishing workshop
Countries served including the USA, Canada, UK, Australia, and across Europe
Certified quality management system covering all production processes
Frequently Asked Questions
Yes. Our powder coating and PVDF lines are qualified to AAMA 2605, including the 5,000-hour UV resistance test. We provide coating certification with every shipment for anodized and painted finishes.
For OEM profiles requiring a new die, the MOQ is 200 kg per design. For profiles using existing dies, the MOQ is 500 kg. We accept trial orders of 100 kg for sample validation before mass production.
Once you pay for the die, it is your exclusive property. We store it in our tool room with your serial number and never run your profile for any other client. A die storage agreement is included in the contract.
Standard terms for new clients are 30% deposit by T/T, 70% against copy of shipping documents. For established relationships, we can discuss L/C at sight or D/P terms. We also accept payments via PayPal for sample orders.
Absolutely. Every order includes a quality certificate and test reports. If you encounter any dimensional or finishing issues upon arrival, our team responds within 24 hours and works with you on a resolution—replacement, credit, or rework as appropriate.
Ready to Source Aluminium Window Frame Extrusions for 2026?
Whether you need a standard profile for a high-volume project or a custom OEM design for a new product line, TJJ has the technical capability, production capacity, and logistics network to deliver. Send us your drawings or specifications, and we will reply with a detailed quotation within 48 hours.
Contact us today:
Tel / WhatsApp: +86-15511680668
Email: sindyhao2014@163.com
Web: www.tjjironcastings.com/contactus.html
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We look forward to discussing your aluminium window frame extrusion requirements.
Alex Chen
Technical Manager
Shijiazhuang TJJ TRADE CO.,LTD.
18+ years in metal extrusion & casting
Disclaimer: All technical data and performance figures provided on this page are based on TJJ’s internal testing and quality records under controlled conditions. Actual results may vary depending on fabrication methods, installation conditions, and environmental factors. Please refer to the final order confirmation and product test reports for exact specifications. Product certifications and compliance documents are available upon request.