Aluminium Window Profile Suppliers: Your Complete Guide to Sourcing from China in 2026
Looking for reliable aluminium window profile suppliers for your next project? As a sourcing manager or brand owner, you need a partner that offers consistent quality, competitive pricing, and flexible customization. With over 20 years in metal manufacturing, SHIJIAZHUANG TJJ TRADE CO.,LTD. delivers precision aluminium window profiles that meet international standards. Our factory-based supply chain ensures short lead times, rigorous quality control, and full OEM/ODM support – helping you move from design to installation faster. Read on to learn how we streamline procurement for importers across the USA.
Why Procuring Aluminium Window Profiles from China Can Be Challenging (and How We Solve It)
Import managers and wholesalers often face three common obstacles when sourcing aluminium window profiles from overseas suppliers:
- Inconsistent quality – Variations in alloy composition, wall thickness, or surface finish lead to rejected shipments.
- Long lead times – Delays in production or shipping disrupt project timelines.
- Limited customization – Many suppliers require high MOQs for custom designs or offer only standard profiles.
SHIJIAZHUANG TJJ TRADE CO.,LTD. addresses these pain points directly. Our foundry heritage gives us deep expertise in metal processing, and we have adapted that discipline to aluminium extrusion. We operate a dedicated extrusion line with CNC machining capabilities, enabling us to produce profiles with tolerances as tight as ±0.1 mm. For each order, we implement three-stage quality checks: incoming material test, in-process dimensional inspection, and final surface/fitting audit before packing. This systematic approach has helped our clients reduce defect rates to below 0.5%.
Our Aluminium Window Profile Capabilities
We supply profiles for various window systems: sliding windows, casement windows, awning windows, and curtain walls. Below is a comparison of our standard offerings vs. typical market suppliers.
| Parameter | TJJ Standard | Industry Typical |
|---|---|---|
| Alloy | 6063-T5 / 6061-T6 | 6063-T5 |
| Wall Thickness Tolerance | ±0.1 mm | ±0.15 mm |
| Surface Finish Options | Mill finish, anodized (AA15/AA20), powder coating (200+ colors), wood grain | Powder coating only (limited colors) |
| Max Profile Length | 6.5 meters (custom up to 7.2 m) | 6.0 meters |
| MOQ per Profile | 300 kg (standard sizes); 500 kg (custom) | 500 kg – 1,000 kg |
| Lead Time | 15-25 days (FOB) | 25-40 days |
* Parameters may vary by order. Please refer to the actual order confirmation.
Compliance, Certifications, and Commercial Terms
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Our aluminium window profiles are manufactured in accordance with AAMA 2603 (for powder coating) and AAMA 2604 / 2605 (for high-performance finishes). We also provide test reports for alloy composition and mechanical properties upon request. For thermal break profiles, we use polyamide strips meeting ISO 9001 standards.
- Certifications: ISO 9001:2015 (management system); we can supply CE-marked profiles for EU projects (verified by third-party).
- MOQ: 300 kg per profile for standard sections; 500 kg for custom extrusions.
- Lead Time: 15-25 days for powder-coated profiles; 20-30 days for anodized or wood grain (depending on color).
- OEM/ODM Support: We have an in-house design engineering team (3D CAD/STEP files) to adapt your drawings to cost-effective die designs. Surface finishing, perforations, and thermal break assembly can be customized.
- Packaging: Each profile is wrapped with kraft paper, PE film, or protective foam; bundles are strapped and palletized for container loading. For fragile finishes (anodized/wood grain), we add edge protectors and shrink wrap.
- Logistics: We ship FOB Tianjin / Qingdao (major ports near our plant). CIF terms also available. After-sales: 12-month warranty against manufacturing defects; replacement offered for any non-conforming items.
Real-World Applications of Our Aluminium Window Profiles
Our profiles are used in residential, commercial, and industrial projects across the USA. Three typical use cases:
- New construction of multi-family apartments: A Florida developer used our thermal break sliding window profiles to meet Energy Star requirements. The project saved 12% on HVAC costs compared to PVC alternatives.
- Renovation of historic downtown offices: A Texas contractor ordered custom powder-coated profiles (bronze color) to match existing steel frames. Our precise extrusion eliminated on-site modifications.
- Warehouse ventilation windows: A Midwest industrial supplier sourced heavy-duty awning window profiles (wall thickness 2.0 mm) for high-wind areas. The profiles withstood hurricane-level tests.
What Our Clients Say
James Carter – Procurement Manager, Skyline Windows Inc. (California)
"We switched to TJJ after multiple quality issues with our previous supplier. Their aluminium window profiles have consistent anodizing color and zero pitting. The dimensional accuracy allowed our crew to install 20% faster."
Maria Gomez – Owner, EcoBuild Supply (Texas)
"As a wholesaler, I need a supplier who can handle custom colors for our boutique projects. TJJ's powder coating match is excellent. They turned around a small custom order (350 kg) in 18 days – unheard of in this industry."
Alex Nguyen – Sourcing Agent, Pacific Trade Group (Vietnam)
"I have sourced from many Chinese factories; TJJ stands out for their responsive communication. They send weekly production photos and inspection reports. Our first container of sliding window profiles arrived defect-free."

Jennifer Lloyd – Project Manager, Sunrise Developments (Florida)
"TJJ's ability to produce long profiles up to 7 meters saved us from having to splice multiple extrusions. The thermal break assembly was also flawless. We have placed three repeat orders."
Why SHIJIAZHUANG TJJ TRADE CO.,LTD. Is a Trusted Supplier
Our company was founded in 2002 as a foundry, and over two decades we have built a reputation for precision metal manufacturing. Today, we operate a 12,000 m² facility with 150+ employees, including 8 extrusion presses and a dedicated finishing workshop. Our export team has shipped to over 30 countries, with the United States accounting for 40% of our annual revenue.
- 🟢 Founded: 2002
- 🟢 Employees: 180+
- 🟢 Factory area: 15,200 m²
- 🟢 Annual export volume: 8,000+ tons of metal products
- 🟢 Extrusion presses: 600-ton to 1800-ton (8 lines)
- 🟢 On-site QC lab: Spectrometer, tensile tester, salt spray chamber
* All data as of 2025. Capacity subject to change; please inquire for current availability.
Our main extrusion workshop with 8 presses producing profiles for global buyers.
Dimensional inspection using digital calipers and CMM for critical profiles.
About the Author
Michael has worked with building product importers across North America and Europe since 2009. He specializes in aluminium profile specifications, compliance, and cost optimization. His articles are based on firsthand factory audits and client feedback.
Ready to Source Aluminium Window Profiles for Your Next Project?
Contact our export team to discuss your requirements. We can provide samples, technical drawings, and a quotation within 48 hours.
- 📞 Tel / WhatsApp: +86-15511680668
- 📧 Email: sindyhao2014@163.com
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* We respond within 24 hours, Monday–Saturday.
Disclaimer: All technical data, capacities, and certifications listed are for reference only and may vary based on specific product configurations and order terms. Please confirm details in your purchase contract. SHIJIAZHUANG TJJ TRADE CO.,LTD. is a supplier of aluminium window profiles and other metal products. For the most current product range, please contact us directly.