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Top CNC Machining Aluminum Parts Factories: A Comprehensive Guide

The manufacturing industry has been revolutionized by the emergence of CNC (Computer Numerical Control) machining, which has become a vital part of producing high-quality aluminum parts. As the demand for precision aluminum components continues to grow, it's essential to know the best CNC machining aluminum parts factories that can deliver top-notch results. In this comprehensive guide, we'll take a deep dive into the world of CNC machining and explore some of the leading factories that specialize in producing aluminum parts.

Understanding CNC Machining and Its Importance

CNC machining is a subtractive manufacturing process that uses computer-controlled machines to remove material from a workpiece, resulting in a finished part. This technology has transformed the production of aluminum parts, allowing for greater precision and efficiency than ever before.

Aluminum is a popular choice for CNC machining due to its lightweight, high strength-to-weight ratio, and excellent corrosion resistance. These properties make it ideal for a wide range of applications, including aerospace, automotive, electronics, and more.

The Top CNC Machining Aluminum Parts Factories

In this section, we'll highlight some of the best CNC machining aluminum parts factories that have established themselves as industry leaders.

1. Protolabs

Protolabs is a leading digital manufacturing company that specializes in rapid prototyping and on-demand production. With advanced CNC machining capabilities, they can produce high-quality aluminum parts with tight tolerances and intricate geometries. Protolabs offers a range of aluminum alloys to choose from, ensuring that you can find the perfect material for your project.

2. Xometry

Xometry is a global leader in custom manufacturing, offering a wide range of services, including CNC machining, 3D printing, sheet metal fabrication, and more. They have extensive experience working with aluminum and can produce parts with exceptional precision and quality. Xometry's advanced manufacturing platform allows for quick turnaround times and competitive pricing.

3. 3ERP

3ERP is a professional rapid prototyping and low-volume manufacturing company that offers a variety of services, including CNC machining, vacuum casting, and injection molding. They have a team of skilled engineers and machinists who can produce high-quality aluminum parts with tight tolerances and complex geometries. 3ERP is known for its fast lead times, competitive pricing, and exceptional customer service.

4. RapidDirect

RapidDirect is a leading on-demand manufacturing company that offers a wide range of services, including CNC machining, injection molding, and sheet metal fabrication. They have a strong focus on producing high-quality aluminum parts, with a team of experienced engineers and machinists who can handle complex designs and tight tolerances. RapidDirect's advanced manufacturing platform allows for quick quotes, fast lead times, and competitive pricing.

5. Star Rapid

Star Rapid is a global rapid prototyping and low-volume manufacturing company that specializes in CNC machining, 3D printing, and more. They have extensive experience working with aluminum and can produce parts with exceptional precision and quality. Star Rapid's team of skilled engineers and machinists can handle complex designs and tight tolerances, ensuring that your aluminum parts meet the highest standards.

Selecting the Right Factory for Your CNC Machining Aluminum Parts Project

When choosing a CNC machining aluminum parts factory, it's essential to consider factors such as:

Capabilities:Ensure that the factory has the necessary equipment and expertise to produce your aluminum parts to the desired specifications.

Quality:Look for a factory with a strong track record of producing high-quality aluminum parts, as well as robust quality control processes in place.

Lead Times:Consider the factory's turnaround times and whether they can meet your project deadlines.

Pricing:Compare prices among different factories to ensure that you're getting the best value for your investment.

By carefully considering these factors, you can select the right CNC machining aluminum parts factory for your project and ensure that you receive high-quality, precision components that meet your needs.

In summary, the world of CNC machining aluminum parts is vast and ever-evolving. The factories mentioned in this guide represent some of the best in the industry, offering exceptional quality, precision, and customer service. By understanding the importance of CNC machining and considering the factors discussed above, you can make an informed decision when selecting a factory for your aluminum parts project.

best cnc machining aluminum parts factories

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.


CNC Turning Service

CNC Turning Service

Our CNC Turning Service provides different sizes of roll shape work-pieces, the diameter range is from 0.5mm to 480mm, reaching tolerance +/-0.003mm.

CNC Milling Service

CNC Milling Service

Our milling machines and CNC centers are able to produce complicated structure part, five-axis devices produce multi-sides at one-time jag which bring high precision result

Sheet Metal Fabrication

Sheet Metal Fabrication

Our Sheet Metal Fabrication provides slicing, punching, bending, welding, painting and assembling for set products, unique tooling for each project to raise production efficiency

Aluminum Extrusion

Aluminum Extrusion

Our Aluminum Extrusion brings clients various shapes of aluminum parts, high efficiency for mass quantity, our precision extrusion mold control tolerance within 0.01mm

Forging Service

Forging Service

For some steel serious products, we apply Forging Service to make out their outer shape and them use CNC devices to start drilling, forming, rolling, cutting, etc.

Finishing Service

Finishing Service

Our Surface Finishing Service uses chemical or electro post-treatments after machining tasks are finished, normally includes Oxide, Anodizing, Passivation, E-Plating, Painting,etc.


CNC Brass Machining


CNC Machining Brass material is used for wide range components, we support clients to produce a variety of parts such as gears, locks, electronics, pipe fittings, etc.

CNC Copper Machining


CNC Machining Copper material is soft and easy to machining on different shape of components. We mostly produce copper components for electric devices by machining and stamping

CNC Aluminum Machining


CNC Machining Aluminum materials is one of our most used materials. We support clients to turning, drilling or milling on aluminum material from size 0.5mm to 470mm

CNC Stainless Steel Machining

Stainless Steel

CNC Machining Stainless Steel are common material for wide range components, we produce Stainless Steel turning parts, milling parts, high smoothness components, etc.

CNC Titanium Machining


CNC Machining Titanium material brings components superb features, we use titanium to produce high precision work-piece for clients from aircraft, aerospace, medical devices

CNC Plastic Machining


Our CNC Machining Plastic materials includes ABS, HDPE, LDPE, Nylon, POM, Peek, Polycarbonate, etc. We produce them in high precision and high smoothness.


Experienced Skills

Asianstar have long term experience in CNC machining service and built up skillful team servicing clients from designing to product

High Quality

Asianstar QC system controls the production following internal quality protocol, which make sure every procedure are working under quality demands

High Efficiency

Asianstar abundant facilities allows multiple machining process, we can support clients in rapid sampling/prototyping and quick order lead-time

Competitive Price

Asianstar has enough in-house facilities for all machining processes, so we can choose the best machining solutions to make the production cost lowest


  • Q1.Do you support ODM/OEM?

    Yes, we support ODM/OEM, we provide custom-made service for clients or even support clients on designing or improving

  • Q2.Do You Have Stock
  • Q3.What Is Your Production Capacity?
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