China Extruded Aluminum Heatsink Manufacturers & Factories

Global Thermal Management Solutions: Custom Extrusion, Precision Machining, and High-Performance Cooling Alloys from ISO 9001:2015 Certified Facilities

Premium Product Range

Featured Extruded Aluminum Heatsinks & Profiles

Explore our top industrial solutions designed to meet the strict thermal demands of electronic, mechanical, solar, and power management applications.

China Suppliers Factory Direct 4040 Aluminum Extrusion for Production Line

China Suppliers Factory Direct 4040 Aluminum Extrusion for Production Line - High Strength & Custom Solutions

View Product Details
China Industrial Aluminum Profiles for Electronic Equipment Heat Radiators

China Factory Suppliers of Industrial Aluminum Profiles for Electronic Equipment Heat Radiators and Thermal Management Solutions

View Product Details
China Aluminum Fishbone Tile Transition Strip Manufacturer

China Aluminum Fishbone Tile Transition Strip Manufacturer, Factory

View Product Details
Wholesale Custom Aluminum Profiles from China Suppliers

Wholesale Custom Aluminum Profiles from China Suppliers: Durable Solutions for Mechanical Machining in Our Factory

View Product Details
Wholesale Multi-size Colored T-slot Aluminum Profiles

Wholesale Multi-size Colored T-slot Aluminum Profiles Factory, Factories

View Product Details
China Aluminum Fixed Air Vent Louver Grille Manufacturer

China Aluminum Fixed Air Vent Louver Grille Manufacturer, Suppliers

View Product Details
China Premium Curtain Wall Aluminum Profiles

China Premium Curtain Wall Aluminum Profiles from China Suppliers and Factory for Global Construction Projects

View Product Details
Wholesale Lightweight Aluminum Battery Enclosure for Camping

Wholesale Lightweight Aluminum Battery Enclosure for Outdoor Camping - China Factory Suppliers

View Product Details
Aoli Aluminum Corporate Headquarters
Global Sourcing Insight

Sourcing Extruded Heatsinks from China: Strategic Value

In today's fast-moving high-tech market, managing heat is critical to product reliability and performance. As a leading manufacturer established in 2009, Aoli Aluminum has spent over a decade refining its processes to meet the demands of global OEMs, thermal engineers, and supply chain managers.

Global companies looking to source extruded aluminum heatsinks from China need more than just low-cost parts. They need partner organizations that offer design verification support, advanced metallurgy, and strict quality control. Operating from our main base in Sihui and our sales office in Foshan, Guangdong, Aoli Aluminum provides a fully integrated production workflow designed to reduce risk and speed up your time-to-market.

100k+
Annual Tons Capacity
100k+
Ready Mold Sets
2009
Established Year
2000T
Max Press Capacity
Engineering & R&D

Technical Roadmap & Thermal Performance Engineering

Achieving top thermal dissipation requires precise control over design details, material properties, and manufacturing tolerance limits.

Alloy Optimization: 6063 vs. 6061

The choice of alloy directly affects thermal conductivity and strength. While 6063 provides excellent thermal conductivity (approx. 200 W/m·K) and is ideal for complex fin patterns, 6061 is preferred for structural strength (approx. 166 W/m·K). We optimize temper states (T5/T6) to balance mechanical strength with high thermal performance.

High Aspect Ratio Fin Extrusion

Thin-fin geometry increases the surface area for heat exchange. Using extrusion presses ranging from 900 to 2,000 tons, we produce high aspect ratio (up to 15:1 or greater) heatsinks. This ensures narrow channels and thin fins that minimize thermal resistance while keeping weight low.

Precision CNC Deep Processing

Many heatsinks require post-extrusion work. Our facility features advanced CNC equipment to handle drilling, tapping, milling, and precision surface fly-cutting. This guarantees surface flatness within 0.05mm, which is critical for minimizing thermal contact resistance with power modules.

Performance Characteristic 6063-T5 Alloy 6061-T6 Alloy 1050 Alloy (Pure Al) Design Optimization Notes
Thermal Conductivity (W/m·K) 200 - 209 166 - 180 220 - 231 Use 1050 for maximum dissipation when mechanical load is minimal.
Tensile Strength (MPa) ≥ 186 ≥ 290 ≥ 75 Choose 6061-T6 for structural, load-bearing frames and enclosures.
Extrudability & Shape Complexity Excellent (complex thin fins) Moderate Poor (gummy, low strength) 6063 allows for complex, high-aspect ratio fins without breaking dies.
Machining & CNC Workability Good Excellent Poor Post-processing is easiest with 6061-T6, avoiding burrs and thread stripping.
Anodizing Quality (Protection/Emissivity) High clarity, uniform finish Clear to dark, structural look Soft layer, cosmetic limits Black anodizing increases surface emissivity by up to 0.9, raising thermal performance.
Market Solutions

Macro-Industry Thermal Management Solutions

Supporting crucial industrial technologies with custom components, from clean energy to telecom networks.

Electric Vehicle (EV) Thermal Enclosures

Modern electric vehicles rely on fast heat transfer to maintain battery safety and lifespan. We manufacture lightweight battery enclosures and liquid cooling plates with internal channels using custom 6000-series alloy extrusions. These assemblies resist corrosion, shield EMI, and transfer heat efficiently away from the battery cells.

5G Base Station & RF Cooling

Outdoor telecom systems must run reliably in harsh environments without active fan cooling. Our wide-format, heavy-fin extruded heatsinks are designed for natural convection. Combined with surface finishes like PVDF or clear anodizing, these heatsinks resist corrosion and keep outdoor enclosures protected in any weather.

Solar Inverters & High-Power Electronics

High-voltage solar inverters and industrial VFD motor drives generate considerable heat. We supply multi-slot, high-density comb heatsinks designed for forced-air cooling. These parts are milled on our CNC machines to fit IGBT modules exactly, preventing hot spots and extending system life.

Architectural & Decorative Thermal Solutions

In modern lighting and architecture, function and design go hand-in-hand. Under our Aolijie brand, we supply multi-functional building and decorative profiles that act as both structural frames and integrated heatsinks. Our processes include wood grain transfers, PVDF coatings, and custom anodizing to ensure our products look great while managing heat effectively.

Corporate Overview

About Aoli Aluminum & the "Aolijie" Brand

Established in 2009, Aoli Aluminum is a manufacturer that integrates research and development, production, and sales. We specialize in manufacturing aluminum alloy profiles for construction, decoration, and industry. Our headquarters are located in Sihui, Guangdong, with branch offices in Foshan, Guangdong, and we operate under a comprehensive ISO quality management system.

Our business vision is built on three main ideas:

  • Customer First: We view our customers' success as our own responsibility.
  • Employee Development: We believe growth comes from the shared efforts of our company and our staff.
  • Brand Reputation: We make sure quality is never compromised for short-term gain.

Our mission is "Building sustainable cities for the world." We are committed to achieving win-win results for our employees, our customers, and society.

Aolijie Brand Heritage Production Line

What "Aolijie" Stands For

Our brand name, created by our founder Mr. Wong, reflects our values and goals:

AO

"A" represents top quality, while "O" stands for options. "AO" means being the preferred first choice for our customers.

LI

"L" stands for leading and "I" stands for indicator, representing our goal to set leading performance benchmarks in the industry.

JIE

In Chinese, "Jie" refers to exceptional work, showing our focus on precise craftsmanship and high product quality.

Our Growth & Key Milestones

Establishment of Sihui Factory in 2009
2009

Established our main 10,000-square-meter factory in Sihui, Guangdong. Launched the "Aolijie" brand to focus on high-quality aluminum extrusions.

Quality certifications ISO9000 and Patents
2010 - 2016

Focused on technical development and manufacturing quality. Obtained 13 utility patents and earned ISO9001 quality system certification.

Capacity expansion to 100,000 tons
2017 - 2020

Invested in expanded facilities, growing our production space to 100,000 square meters. This raised our yearly capacity to 100,000 tons to support growing global demand.

Global Expansion Foshan and Malaysia Offices
2024 - 2026

Opened our main sales office in Foshan in 2024, followed by setting up our branch in Malaysia by 2026 to support global logistics.

Extrusion Press Machine in Aoli Aluminum Factory
Manufacturing Power

Vertically Integrated Extrusion & Processing

Our brand Aolijie operates four production bases. These are equipped with advanced extrusion presses ranging from 900 tons to 2,000 tons. This range allows us to produce both small, complex heatsinks and large, thick industrial shapes.

Our processing capabilities include:

  • In-House Die Development: Over 100,000 ready-to-use mold sets and custom tooling capabilities that help lower startup costs.
  • Surface Treatments: Automated lines for powder coating, anodizing, electrophoretic coating, PVDF coating, and wood-grain transfer.
  • Precision Machining: Dedicated CNC centers for cutting, drilling, tapping, and milling.
  • Window & Door Assembly: A specialized facility for manufacturing finished thermal-break windows, doors, and building products.

Production Facility Tour

Aoli Factory Area 1
Aoli Factory Area 2
Aoli Factory Area 3
Aoli Factory Area 4
Aoli Factory Area 5
Aoli Factory Area 6
Aoli Factory Area 7
Aoli Factory Area 8
Quality Assurance

Strict Quality Testing & Certifications

For high-power electronics and automotive applications, consistent quality is essential. We manage production quality with a thorough testing system:

  • 100% Visual Inspection: Every profile is checked for surface flaws before packing.
  • Secondary Inspections: 5% secondary spot checks, with 8 spot checks performed per batch.
  • Standard Sampling: Random AQL sampling according to ISO 2859 and ANSI/ASQ Z1.4.
  • Documentation: Quality inspection reports and material certifications accompany every shipment.

Our raw materials and finished products comply with international environmental standards, including the RoHS and REACH directives.

Composition Analysis Testing at Aoli Lab

In-House Test Labs

componential analysis

Componential Analysis

tensile test

Tensile Test

hardness test

Hardness Test

dimensional measurement

Dimensional Measurement

coating test

Coating Test

salt spray

Salt Spray

uv aging test

UV Aging Test

Certificate and ISO standards

System Verification

Verified Certification Documents

ISO Certification document 1
ISO Certification document 2
ISO Certification document 3
ISO Certification document 4
ISO Certification document 5
Global Footprint

Collaboration Cases & Projects

We supply standard and custom aluminum extrusions to architectural and industrial projects worldwide.

Project reference 1
Project reference 2
Project reference 3
Project reference 4
Project reference 5
Project reference 6
Project reference 7
Project reference 8
FAQ

Frequently Asked Questions

Get answers to common technical, design, and purchasing questions regarding aluminum heatsinks.

Why is 6063 aluminum commonly used for extruded heatsinks?
6063 aluminum is widely used because it balances thermal performance, mechanical strength, and extrudability. It offers a thermal conductivity of roughly 200 W/m·K and can be extruded into thin, complex fin patterns without excessive wear on the tooling dies.
How does black anodizing affect heatsink performance?
Anodizing forms a controlled oxide layer that protects against wear and corrosion. Applying a black finish increases the surface emissivity (up to 0.90), which improves radiative cooling. This is particularly helpful in systems relying on natural convection.
What is the typical lead time for custom heatsink dies and first samples?
Developing new custom extrusion tooling generally takes 10 to 14 days, depending on shape complexity. Once the tooling is verified, we run first-article samples and ship them to the customer for approval, which takes an additional 5 to 7 days.
What tolerances can Aoli Aluminum maintain during extrusion and CNC processing?
Our standard extrusions conform to GB/T 14846 and EN 755 tolerances. For applications requiring tighter dimensions, our post-extrusion CNC machining centers can hold linear tolerances within ±0.02mm and achieve face coplanarity down to 0.05mm.
How do you ensure material compliance for international markets?
We work with verified raw material suppliers and test chemical composition in-house. All our extrusions meet international RoHS and REACH environmental guidelines. Every shipment is accompanied by a material certificate and an inspection report.

Need More Information or a Custom Quote?

Our technical sales team is ready to assist with design-for-manufacturability reviews, alloy choices, and pricing for your custom projects.

Additional Categories

Explore More Aluminum Profile Solutions

From thermal-management heatsinks to architectural frame sections, browse our high-quality product categories.

China High-Efficiency Heat Sink Aluminum Profiles for Electronics Manufacturer

China High-Efficiency Heat Sink Aluminum Profiles for Electronics Manufacturer, Manufacturers

View Product Details
China Modern Retractable Outdoor Sunroom Manufacturer

China Modern Retractable Outdoor Sunroom Manufacturer, Factories

View Product Details
China Customizable Weatherproof Sunroom Aluminum Profiles

China Customizable Weatherproof Sunroom Aluminum Profiles - Quality Manufacturers

View Product Details
China Multi-Slot Aluminum Profiles for Equipment Framing

China Multi-Slot Aluminum Profiles for Equipment Framing & Guards | China Suppliers

View Product Details
Wholesale Aluminum Curtain Wall Profiles with Horizontal Frame Design

Wholesale Aluminum Curtain Wall Profiles with Horizontal Frame Design - China Suppliers

View Product Details
China Suppliers Factory Direct 4040 Aluminum Extrusion

China Suppliers Factory Direct 4040 Aluminum Extrusion for Production Line - High-Quality T-Slot Profiles

View Product Details
Wholesale Battery Enclosure Aluminum Profile for Electric Scooter

Wholesale Battery Enclosure Aluminum Profile for Electric Scooter Suppliers, Factories

View Product Details
China Modern Design Aluminum Casement Window Profile

China Modern Design Aluminum Casement Window Profile - Durable & Energy Efficient Manufacturers

View Product Details