What tolerances can you achieve?

Standard CT6 (plus or minus 0.01mm) and CNC finishing to plus or minus 0.005mm. 100% CMM inspection.

What surface finishes are available?

Anodizing (clear, hard, color), powder coating (any RAL), electroplating, sandblasting, e-coating, chromating, and polishing.

Do you provide mold design and DFM analysis?

Yes. Free DFM analysis and mold flow simulation are included. We optimize gate, runner, and cooling channels for castability.

What is your typical lead time?

Sample mould: 15-20 days; production mould: 25-35 days. Mass production: 25-35 days after sample approval. Expedited service available.

Are you certified for automotive parts?

Yes, we hold IATF 16949 certification, making us a qualified custom die casting components manufacturer for automotive applications.

Can you produce complex thin-wall housings?

Yes. Our high pressure die casting (160-1250T) and 5-axis CNC enable thin-wall (as low as 1.5mm) and undercut geometries.

Do you offer prototyping services?

Yes. Rapid prototyping via soft tooling or 3D printed molds. Sample parts can be delivered in 15 days.

How do you ensure quality?

100% CMM inspection, raw material certification, in-process monitoring, salt spray test (500h), and helium leak test for IP66.

What is your export experience?

70% of our production is exported to Europe, North America, Japan, Russia, and Southeast Asia. We are experienced with international shipping and customs.

How can I get a quotation?

Send your 2D/3D drawing (STEP, IGS, or PDF) along with quantity and surface finish requirements. We will reply within 48 hours.

High-Performance OEM Aluminum Heat Sink Die Casting for Efficient Cooling

Name: High-Performance OEM Aluminum Heat Sink Die Casting for Efficient Cooling
Brand: Foshan Nanhai Sunleaf Metal Products Co., Ltd.
SKU: 2153351172

Guangdong, ChinaFoshan Nanhai Sunleaf Metal Products Co., Ltd.

US$10.00

500-999 Pieces

US$8.00

1,000-2,999 Pieces

US$5.00

3,000-9,999 Pieces

US$3.50

10,000-49,999 Pieces

US$2.50

50,000+ Pieces

Product profile

Customization

Available

Die Casting Machine Type

Cold Chamber Die Casting Machine

Die Casting Method

Precision Die Casting

Model NO.

HS-001

Application

Machinery Parts

Machining

CNC Machining

Material

Aluminum Alloy

Surface Preparation

Spray Coating

Pressure Chamber Structure

Horizontal

Tolerance Grade

Casting Surface Quality Level

Grade 2

Certification

CE, RoHS, ISO 9001:2008, IATF 16949,EAC,GOST-R

Materials We Can Process

Aluminum Alloy (ADC12, A380), Magnesium Alloy (Az9

Die Casting Machine Tonnage

160t to 1250t Cold Chamber & Hot Chamber

Mold Design & Manufacturing

in-House Tooling Design, Mold Cost Separately Quot

Surface Treatment Options

Powder Coating, Anodizing, Anti Corrosion Coating,

Quality Control

100% Dimensional Inspection, CMM, Leak Testing, X-

Application Industries

Automotive, Motorcycle, LED Lighting, Medical, Rob

Lead Time & MOQ

Sample: 15-25 Days, Bulk: 25-35 Days; MOQ: 500PC

Transport Package

EPE Foam + Export Carton

Specification

Customized per customer drawing. Typical size rang

Trademark

OEM Service (Custom Logo Accepted)

Origin

Guangdong, China

HS Code

7616999000

Production Capacity

1, 000, 000 Pieces/Year

Key features

Efficient Heat Dissipation Performance: Designed to improve thermal management efficiency for electronic and industrial applications.

Custom Aluminum Heat Sink Solutions: Available in various shapes, sizes, and cooling fin designs according to customer requirements.

High Thermal Conductivity Materials: Premium aluminum alloys provide excellent heat transfer and cooling performance.

Precision Die Casting Manufacturing: Advanced aluminum die casting technology ensures stable quality and dimensional accuracy.

CNC Machining Capability: Precision machining available for complex thermal management components.

Wide Industrial Applications: Suitable for energy storage systems, power electronics, telecom equipment, AI servers, and automation devices.

Lightweight and Durable Design: Aluminum heat sinks offer an excellent balance between weight and mechanical strength.

Multiple Surface Treatments Available: Anodizing, powder coating, chromating, and customized finishes supported.

OEM and ODM Manufacturing Service: One-stop production from mold development to mass production.

Reliable Thermal Management Partner: Helping customers improve product reliability and service life.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceR&D CapabilitiesExperienced Team

Foshan Nanhai Sunleaf Metal Products Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Foshan PortAverage Response Time: ≤0.37h

AI-Powered supplier vetting

SummaryThe supplier is a Foshan-based manufacturing factory with broad metal-processing equipment and extensive customization capabilities. It reports ISO9001:2015 certification, documented finished-product inspection instructions, OEM and ODM services, and 17 years of export experience, with exports representing 51%–70% of total sales. Production capacity is supported by valid contracts with associated subcontractors and 15 qualified service suppliers, while standard lead time is one month in both peak and off-season. Key limitations include no in-stock capacity, overseas warehouse, or overseas showroom; no new product information in the past year; no available SDK; incomplete written records for service assessment, corrective actions, and complaint handling; no recent regular fire drills; and no Fortune 500 customer collaboration evidence.

Supplier typeThe supplier is identified as a factory located in Nanhai District, Foshan, with manufacturing-related business activities covering construction manufacturing, glass-fiber-reinforced plastic products, new materials, building materials, hardware, furniture, and design services. This indicates a manufacturing-oriented supplier with a relatively broad stated business scope.

CertificationsThe supplier reports an ISO9001:2015 certificate in both its sustainable-development-related information and management-system certification information. The provided slices do not specify the certificate’s scope, issuing body, or validity period, but they explicitly confirm certification holding.

After-Sales capabilityThe supplier accepts multiple quotation and payment terms, has a service-capability assessment record, and reports one-month average lead times in both peak and off-season. However, complaint handling and corrective/preventive action procedures lack written records, and the supplier has no in-stock service, overseas warehouse, or overseas showroom capability, indicating limitations in service infrastructure and documented execution.

Production capacityThe supplier lists CNC, die casting, grinding, lathe, milling, polishing, punch, and spark erosion equipment, has valid manufacturing contracts with associated subcontractors, and reports 15 qualified service suppliers. It also has 17 years of export experience and one-month average lead times, supporting substantial production and fulfillment capability.

Customization capabilityBoth manufacturing and R&D-related information explicitly lists full, minor, flexible, design-based, and sample-based customization, and the supplier provides OEM and ODM services. This directly supports a broad ability to adapt products to customer designs and samples.

Product Q&A

Q:What materials can you die cast?

We die cast aluminum alloys (ADC12, A380, A360), zinc alloys (Zamak 3/5, ZA8), and magnesium alloy (AZ91D).

Q:Are you a factory or trading company?

We are a direct factory - an OEM aluminum die casting parts manufacturer with in-house mold, casting, CNC, and finishing.

Q:What industries do you serve?

Automotive, motorcycle, LED lighting, medical devices, furniture hardware, agricultural machinery, power tools, renewable energy, railway, aerospace, telecom, and industrial automation.

Q:Do you offer low MOQ for small batch orders?

Yes. As a flexible aluminum die casting service provider, we accept small batch orders from 500 pieces for trial production. Prototypes have no MOQ.

Q:What CNC machining capabilities do you have?

As an aluminum die casting company with CNC machining, we have 3/4/5 axis CNC for turning, milling, drilling, tapping, boring, and honing.