WENZHOU ZILUN ELECTRIC CO.,LTD.
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Extruded Aluminum Tube
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Windows and Doors Profiles
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Windows and Doors Profiles
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Windows and Doors Profiles
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Custom Aluminum Extrusion Manufacturer
Over 15 Years Aluminum
Industry Experience
Advanced 37 Extrusion
Presses Line
MOQ 300KG ONLY to boost
your business
Loading Report Support
for Each Shipment
Extruded Aluminium Profiles
Aluminum Tubing
T-slotted Aluminum
Window & Door Profiles
Aluminum Heat sinks
Custom Aluminum Fabrication
How JUST ALU Control
The Quality of Your Aluminum Extrusion
Material Analysis
Guarantees your Aluminum Extrusions by 100% Pure A00 Aluminum Ingot
Mechanical Testing
JUST ALU provides in-house mechanical testing and certificate reports with every shipment
Slat Spray Testing
QC will randomly select coating surfaces for salt spray testing
Cross-Cut Testing
We also do Paint Adhesion Testing and 100% inspection during manufacturing
About Us
At JUST ALU, we have over 36 experienced engineers specializing in aluminum. Whether you have a custom extrusion request, a product design, or just an idea—we can help bring it to produce.
We’re certified under ISO 9001:2001 and operate:
35 aluminum extrusion lines
7 anodizing lines
9 powder coating lines
2 PVDF coating line
We offer end-to-end solutions—from R&D and design to extrusion and finishing. Our services include cutting, CNC machining, bending, stamping, welding, and more.
Aluminum Extrusion Manufacturing Capabilities
Mold Design
Aluminum Ingot Casting
Extruding press
Sandy Blasting
Anodizing
Spraying Coating
CNC Machining Services
Welding Service
Why JUST ALU is Trusted by 1100+ Clients
15+ Years Aluminum Extrusion Industry
We've been focused on researching, developing, and making aluminum extrusions for over 15+ years.
13,000 Various Types of Shapes and Products Per Year
JUST ALU manufacture different aluminum extrusion profiles of more than 13,000 types each year
2500 sets of Tooling for Standard Shapes
We have a lot of standard aluminum extrusion molds, which can help save on your tooling costs.
In-house Tooling
Our in-house tooling manufacturing ensures precise sizes and faster lead times
Advance imported Production equipment
Most JUST ALU production equipments are imported from German, Japan, and Taiwan
Production Capacity of 110,000 Ton Annually
Our strong production capacity guarantees quick delivery, even during peak seasons.
JUST ALU : To be your Premier
Aluminum Extrusion Supplier
Got a question? Our engineers are available 24/7 for fast, expert advice. We're here to share knowledge and help your business grow—no order required.
Bruce Li.
We run two shifts back-to-back to keep production moving fast, so you can be sure your order will arrive right on schedule.
Yiyang Chen.
Frequently Asked Questions
Here’s our process after your drawing is confirmed:
Tooling: 10-15 days
Samples: Made and shipped to you for free via DHL
Production (Bulk Orders): 20-25 days
Shipping: We provide freight quotes for all terms (EXW, FOB, CIF, DDU) for your review.
Extrusion and More: Your Complete Solution
Just Alu provides the full spectrum of aluminum services. We start with extrusion and integrate all necessary fabrication, such as:
• Cutting & Drilling
• CNC Machining
• Welding & Assembly
• Custom Packaging
Start Your Project
• Step 1: Design Finalization – We provide a drawing for your confirmation based on your requirements.
• Step 2: Tooling & Sampling – We build the mold and send you a sample for approval, with free modifications until you’re satisfied.
• Step 3: Full Production – We begin manufacturing with quality-checked materials and provide weekly updates.
Finish & Delivery
• Step 4: Surface Treatment – Your chosen finish (anodizing, powder coat, etc.) is applied.
• Step 5: Packing & Shipping – Your order is safely packed. We supply all reports and track your shipment.
• Step 6: Ongoing Support – Receive 24/7 VIP support to help grow your market.
Anodizing & Powder Coating
• Anodizing: Popular colors include silver, gold, bronze, and black.
• Powder Coating: Match any RAL number or provide your own color sample.
Secure, Tailored Packaging
• Long Extrusions: Protected with non-woven fabric and composite paper.
• Short Parts: Individually wrapped and packed in carton boxes.
• Custom Solutions: Available to meet your specific needs.
Our extensive inventory includes angles, bars, tubes, beams, and channels. Share your approximate dimensions, and we’ll likely find a near-perfect fit for your project.