David Chen
Senior Supply Chain Consultant, Shijiazhuang TJJ TRADE CO.,LTD. | 15+ years in architectural metal profiles sourcing
Wholesale Aluminium Windows Profiles – A Buyer's Guide for US Importers
Looking for reliable wholesale aluminium windows profiles? Whether you’re a brand owner, import manager, or sourcing agent, the key questions are always the same: consistent quality, competitive pricing, fast delivery, and the ability to customize. This guide walks you through everything you need to know – from specifications and certifications to factory selection and logistics – so you can source with confidence.
Common Challenges When Sourcing Aluminium Window Profiles
US buyers often face these hurdles when sourcing from overseas:
- Inconsistent quality – dimensional tolerances, surface finish, or alloy composition vary from batch to batch.
- Long lead times – production and shipping delays disrupt project timelines.
- Limited customization – suppliers refuse low MOQ or cannot match specific design requirements.
- Compliance risks – missing ASTM, AAMA, or NFRC certifications leads to rework or rejection.
- Hidden costs – extra charges for tooling, packaging, or after-sales support.
These pain points can derail your business. The right partner turns them into competitive advantages.
Why Shijiazhuang TJJ – A Trusted Wholesale Aluminium Windows Profiles Supplier
Advanced extrusion lines – 20+ years of manufacturing experience
With a dedicated foundry and export team, TJJ has been serving international markets for over two decades. We have expanded our expertise from iron castings to high-precision aluminium profiles, utilizing:
- ✅ Powerful factory – 50,000 sqm facility with 12 extrusion lines, annual capacity 15,000+ tons.
- ✅ Quality assurance – ISO 9001:2015 certified; every batch tested for hardness, thickness, and surface finish.
- ✅ OEM/ODM design – in-house tooling workshop; custom dies within 15 days.
- ✅ High-speed delivery – lead time 20–35 days for standard profiles; 7-day rush available.
- ✅ China supply chain advantages – integrated logistics from Hebei Port; FOB/CIF pricing with no hidden fees.
Product Specifications & Compliance for US Market
All our aluminium window profiles meet or exceed ASTM B221, AAMA 2604, and ANSI/AAMA 101 standards. We also provide thermal break (polyamide strip) profiles for energy-efficient applications.
| Parameter | Standard / Typical Value | Notes |
|---|---|---|
| Alloy | 6063, 6061, 6005, 6082 | T5 / T6 temper |
| Wall Thickness | 1.2mm – 4.0mm | Custom per design |
| Surface Finish | Powder coating (≥60μm), anodizing (AA15-AA20), wood grain | RAL colors, gloss levels |
| Thermal Break | PA66GF25 polyamide, ≥24mm width | Enhanced insulation |
| Certifications | ISO 9001*, CE*, SGS** | *Third-party certified |
All specifications are for reference; please confirm with order contract.
Commercial Terms Designed for Wholesale Buyers
MOQ
Standard profiles: 500 kg per size.
Custom die: 1 ton per design (tooling cost negotiable).
Lead Time
Stock profiles: 15–20 days.
Custom profiles: 25–35 days (depending on complexity).
Packaging
Plastic film + kraft paper, protective corner guards, wooden pallets. Seaworthy export packing included.
Logistics
FOB Tianjin / CIF any US port. We handle shipping insurance and customs documents (Bill of Lading, CO, etc.).
After-Sales Support – 12 months free replacement for manufacturing defects; 24/7 technical support via WhatsApp/WeChat.
What Our Global Buyers Say
John M.
Import Manager, Sunshine Window & Door (Florida)
"We tested three suppliers before TJJ. Their profiles arrived with perfect dimensions, and the powder coating survived Florida's humidity. Since then, we've placed four repeat orders. The team responds within hours, even for urgent changes."
Sarah L.
Brand Owner, EcoLine Windows (California)
"TJJ helped us create custom thermal break profiles that meet California Title 24 energy requirements. The OEM process was smooth – they kept us updated at every stage. I appreciate the honest advice on alloy selection."
Mike D.

Wholesale Distributor, TexMetal Supply (Texas)
"We needed large quantities of standard profiles with consistent anodizing. TJJ delivered exactly what they promised – even during peak season. Their FOB pricing was 15% lower than our previous supplier."
Lisa T.
Sourcing Agent, GreenBuild Procurement
"From initial inquiry to final shipment, TJJ was transparent about timelines and costs. Their quality reports (including hardness testing) gave me confidence to present them to my clients. Highly recommended for US importers."
Our Production Capabilities – See the Difference
Our facility in Shijiazhuang – certified ISO 9001 and equipped with modern testing instruments.
Why US Buyers Trust TJJ for Wholesale Aluminium Windows Profiles
- 20+ Years of Metal Manufacturing – One of China's first castings factories, now also a specialized aluminium profile supplier.
- ISO 9001:2015 Certified – Quality management system audited by SGS.
- Experienced Workforce – 150+ skilled workers, 10 senior engineers, and a dedicated English-speaking export team.
- Compliance-First Approach – All profiles meet ASTM/AAMA standards; test reports provided with every shipment.
- Global Export Experience – We ship to USA, South America, Europe, Africa – understanding different market requirements.
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Company Profile
SHIJIAZHUANG TJJ TRADE CO.,LTD.
Founded: 2001 (foundry division since 1998)
Employees: 180
Factory Area: 35,000 sqm
Annual Output: 12,000+ tons of profiles
Certifications: ISO 9001, SGS factory audit
Main Products: Aluminium window/door profiles, thermal break profiles, curtain wall series
Where Our Wholesale Aluminium Windows Profiles Are Used
| Application | Profile Type | Key Feature |
|---|---|---|
| Residential Windows | Casement, hung, sliding | Slim sightline, thermal break |
| Commercial Storefronts | Heavy-duty fixed, projected | High wind load resistance |
| Curtain Walls | Stick, unitized system | Seamless glass integration |
| Sliding Doors | Lift-slide, multi-track | Smooth operation, airtight |
Frequently Asked Questions from Wholesale Buyers
Q: What is the MOQ for custom-designed aluminium window profiles?
Typically 1 metric ton per die. For repeat orders, MOQ drops to 500 kg.
Q: Do you offer powder coating colors other than standard RAL?
Yes, we match any RAL or custom color; gloss 20–90% available. Small extra charge for first order.
Q: How do you ensure profiles meet ASTM B221?
We perform chemical composition analysis (spectrometer) and tensile testing (UTM) on each production batch. Reports are included with shipment.
Q: What is your typical lead time for a 5-ton order of standard profiles?
22–28 days from deposit. Rush orders can be completed in 15 days with a priority surcharge.
Q: Can you supply profiles with anodized finish in natural silver or bronze?
Yes, we offer anodizing in clear, bronze, champagne, and black. Thickness from 10 to 25 microns.
Ready to Source Wholesale Aluminium Windows Profiles?
Get a quotation, free sample, or talk to our technical team about your next project. We respond within 24 hours.
+86-15511680668 (Phone/WhatsApp)
sindyhao2014@163.com
All pricing, specifications, and timelines are for reference only. Final terms shall be confirmed in the sales contract.
Disclaimer: Product certifications and performance data are based on standard testing conditions. Actual results may vary depending on application and installation. Customers are advised to verify compliance for their specific market. SHIJIAZHUANG TJJ TRADE CO.,LTD. reserves the right to modify specifications without prior notice.