Custom Heat Sinks
Material: 45 steel,aluminum alloy,stainless steel, plastic,brass
Processing techniques: CNC, EDM, turning, five axis machining, stamping,hobbing, milling, grinding, drilling, tapping, reaming, pulling, cutting, etc
Finish:Polishing, painting, anodizing,sandblasting, plating ,blackening, electrophoresis, QPQ ,wire drawing
- Product Description
Custom Heat Sinks: Precision-Engineered Thermal Solutions for Your Electronics
At Dongguan Junsion Precision Hardware Co., Ltd., we specialize in manufacturing high-quality custom heat sinks tailored to your specific needs. Our advanced precision machining capabilities and customer-centric approach ensure that you receive thermal management solutions that optimize performance and reliability in your electronic devices.




Description
Our products are made to quickly remove heat from electronic parts, so your gadgets work at their best and last as long as possible. We have a lot of different materials, like aluminum, copper, and their alloys, so that we can meet all of your heating needs.
| Material | 1) Aluminum: AL 6061-T6, 6063, 7075-T etc. |
| 2) Stainless steel: 303,304,316L, 17-4(SUS630) etc. | |
| 3) Steel: 4140, Q235, Q345B,20#,45# etc. | |
| 4) Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc. | |
| 5) Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90) etc. | |
| 5) Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90) etc. | |
| Finish | Sandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish. |
| Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing. | |
| Electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench). | |
| Electro Polishing,Chrome Plating, Knurl, Laser etch Logo, etc | |
| Main Equipment | STEP,STP,GIS,CAD,PDF,DWG,DXF etc or samples. |
| Tolerance | +/-0.01mm ~ +/-0.05mm |
| Surface roughness | Ra 0.1~3.2 |
| Inspection | Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier,CMM. |
| Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge | |
| Capacity | CNC turning work range: φ0.5mm-φ150mm*300mm. |
| CNC milling work range: 510mm*1020mm*500mm. |
Key Features
- Precision-engineered for maximum heat dissipation
- Customizable designs to fit your unique specifications
- Available in various materials for optimal thermal conductivity
- Compatible with multiple cooling methods (air, liquid, or hybrid)
Applications
- High-performance computing
- Power electronics
- LED lighting systems
- Automotive and aerospace industries
- Telecommunications equipment
Surface Treatment
We provide various surface treatments to enhance the performance and aesthetics of your products:
- Anodizing: Improves corrosion resistance and allows for color customization
- Electroplating: Enhances conductivity and provides a sleek finish
- Powder coating: Offers excellent durability and wide color options
- Sandblasting: Creates a matte finish for improved heat dissipation

Drawing Guide
To ensure we meet your exact specifications, we recommend providing the following information:
- Dimensions: Length, width, height, and any specific tolerances
- Material preferences: Aluminum, copper, or other alloys
- Fin design: Spacing, thickness, and orientation
- Mounting requirements: Screw holes, clips, or other attachment methods
- Surface finish: Desired treatment or coating
- Thermal requirements: Maximum operating temperature and heat load
Production Process
Our state-of-the-art manufacturing process ensures consistent quality and precision:
- Design review and optimization
- CNC machining or die-casting (depending on design complexity and volume)
- Fin cutting and shaping
- Surface treatment application
- Quality control inspection
- Packaging and shipping
Quality Certification
We adhere to strict quality control standards to ensure the reliability of our custom heat sinks:
- ISO 9001:2015 certified quality management system
- RoHS compliance for environmental safety
- In-house testing using advanced equipment (thermal imaging, airflow simulation)

Shipping and Delivery
We understand the importance of timely delivery in your production schedule:
- Fast turnaround: Samples within 3 days, mass production in 7-15 days
- Secure packaging to prevent damage during transit
- Global shipping capabilities with reliable logistics partners

Why Choose Us?
- Expertise: Over a decade of experience in precision metal manufacturing
- Customization: Tailored solutions to meet your specific thermal management needs
- Quality: Rigorous quality control processes and advanced testing equipment
- Flexibility: From prototyping to high-volume production
- Support: Dedicated engineering team for design optimization and troubleshooting

FAQ
Q: What is the minimum order quantity (MOQ) for the products?
A: Our MOQ varies depending on the complexity of the design. Contact us for a personalized quote.
Q: Can you help with thermal design and optimization?
A: Yes, our engineering team can assist with thermal analysis and design recommendations to maximize heat dissipation efficiency.
Q: Do you offer samples before mass production?
A: Absolutely. We provide prototypes for testing and approval before proceeding with bulk orders.
Q: What materials do you recommend for high-performance applications?
A: For maximum thermal conductivity, we often recommend copper or aluminum alloys. We can discuss the best options based on your specific requirements.
Contact & Support
Ready to optimize your thermal management with custom heat sinks? Contact our team of experts today:
Email: Lock@junsion.com.cn, echo@junsion.com.cn, or evelyn@junsion.com.cn.
Let Dongguan Junsion Precision Hardware Co., Ltd. be your trusted partner in creating efficient, reliable products for your electronics. Our commitment to quality, precision, and customer satisfaction ensures that your thermal management needs are met with excellence.



















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