Specification
| Material | Aluminum Alloy / Copper Alloy |
| Dimension(L**W*H) | upon the customer's drawings |
| technology | Cold Forging +,CNC Machining +,Surface Treatment |
|
Application |
Electric Vehicles (EV), Hybrid Vehicles (HEV), Automotive Electronics, IGBT Modules, Power Control Units, Battery Management Systems (BMS), On-board Chargers (OBC), DC/DC Converters |
|
Key Features |
Excellent heat dissipation performance, High thermal conductivity, Lightweight and compact structure, High fin density for improved heat transfer, Excellent dimensional accuracy, Superior mechanical strength, Long-term reliability under vibration and thermal cycling, Suitable for high-power automotive electronic systems |
What are Automotive Heat Sinks Used for?
Designed for modern automotive applications, our heat sinks are widely used in electric vehicles, hybrid vehicles, and various automotive electronic control systems where efficient thermal management is essential.

Electric Vehicles

Battery Management Systems

Automotive Electronics

IGBT Modules





Request a Quote for Automotive Heat Sink
To help us provide an accurate quotation, please share the following information: Drawing or sample photos, Roller diameter and length, Material requirement, Quantity.
Our custom heat sinks are manufactured using advanced cold forging technology, enabling the production of high-density fin structures with excellent thermal conductivity and superior mechanical properties. As one of the experienced heat sink manufacturers and a trusted heat sink factory, Welong delivers precision-engineered solutions for demanding thermal management applications. Compared with conventional extrusion or machining processes, cold-forged heat sinks offer enhanced heat dissipation, improved material utilization, and greater design flexibility.
Custom design and engineering support
As a trusted custom heatsink manufacturer, Welong provides engineering support from design optimization to production, delivering tailored solutions based on customer drawings and application requirements for optimal performance and cost efficiency.
Specialized Cold Forging Technology
Specialized in non-ferrous metal cold forging technology, supporting a wide range of custom thermal management components, including custom copper heatsinks, with high precision and excellent material utilization.
Automotive & Power Electronics Expertise
Strong capability in manufacturing automotive heat sinks, including battery heat sinks, delivering reliable thermal management solutions with high precision, excellent heat dissipation, and consistent product quality.
Strict quality control system
Every heat sink undergoes strict quality inspections, including material verification, dimensional checks, and mechanical testing. Advanced inspection equipment ensures consistent quality, reliable thermal performance, and precision in every product.
Superior Thermal Performance
Designed for efficient heat transfer, our heat sinks provide excellent thermal conductivity and outstanding heat dissipation performance, helping improve system stability, extend component life, and enhance overall operating efficiency.
Competitive Solutions for High-Volume Production
Our engineering team optimizes designs and manufacturing processes to reduce procurement costs while maintaining quality and performance, providing competitive pricing solutions with potential savings of up to 30%for high-volume production.
Quality Control
To ensure consistent quality and thermal performance, each heat sink undergoes comprehensive quality inspections supported by advanced equipment, including Coordinate Measuring Machines (CMM), Spectrometers, Height Gauges, Roughness Testers, and Tensile Testing Machines, ensuring precision and reliability in every product.
Raw Material Verification
Chemical Composition Analysis
Dimensional Inspection
Surface Cleanliness Inspection
Visual Inspection
Flatness Inspection
Mechanical Property Testing
Other tests upon request
Manufacturing Process
By utilizing advanced cold forging technology, we are able to manufacture complex heat sink geometries with optimized fin structures that maximize heat transfer efficiency while minimizing material waste. Products can be manufactured according to customer drawings, samples, or specific thermal performance requirements.Available surface treatments include:
Anodizing
01
Powder Coating
02
Electrophoresis
03
Passivation
04
Custom Surface Treatments
05
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Certifications

ISO 9001:2015

ISO 9001:2015
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