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A Comprehensive Guide to Choosing CNC Milling and Turning Suppliers

For any business involved in the manufacturing industry, having access to high-quality CNC milling and turning suppliers is of utmost importance. The right supplier not only ensures the production of high-quality parts but can also make the difference between meeting project deadlines and falling behind. In this blog post, we will explore what to look for in a CNC milling and turning supplier, as well as share some insights into finding the right fit for your business.

Understanding CNC Milling and Turning

Computer Numerical Control (CNC) milling and turning are machining processes that use automated tools to remove excess material from a workpiece, creating a specific shape or design. In milling, cutting tools rotate and move along various axes to create a desired shape. On the other hand, turning is a process where the workpiece is rotated, and the cutting tool moves in a linear motion along the workpiece's axis to remove material. Both processes are crucial for creating intricate parts with high precision and accuracy.

Factors to Consider When Choosing a CNC Milling and Turning Supplier

Experience and Reputation

Experience and reputation play a significant role in finding the right CNC milling and turning supplier. It's important to choose a supplier with a proven track record and extensive experience in the industry. This experience can often translate to better quality products and the ability to meet tight deadlines.

Quality Assurance

Quality assurance should be a top priority for any CNC milling and turning supplier. Make sure the supplier you are considering has a robust quality management system in place and is certified by recognized organizations such as ISO 9001. Certifications not only indicate a commitment to quality but also ensure that the supplier follows industry best practices and standards.

Technology and Equipment

A supplier's technology and equipment can significantly impact the final product's quality and the overall project timeline. Choose a supplier that invests in advanced CNC milling and turning machines, as these machines can produce better results in terms of precision and accuracy. In addition, having access to state-of-the-art technology means that the supplier can handle a wider range of materials and produce even the most complex parts.

Material Selection

Different projects require different materials, and it's essential to work with a supplier that has experience handling a wide range of materials. Whether you need aluminum, stainless steel, titanium, or specialized alloys, your chosen supplier must be well-versed in dealing with the specific material your project requires. Moreover, they should also provide guidance on material selection, ensuring that you choose the most suitable material for your application.

Communication and Customer Service

Clear communication and exceptional customer service are vital in any business relationship, especially when working with a CNC milling and turning supplier. Look for a supplier who is responsive, communicative, and willing to address your concerns. A good supplier will guide you through the entire production process, from design to completion, ensuring that your project runs smoothly.

Competitive Pricing

While competitive pricing should not be the primary factor in choosing a CNC milling and turning supplier, it's essential to find a supplier that offers fair and transparent pricing without compromising on quality. Request quotes from multiple suppliers to get a better understanding of industry pricing standards and to find the best value for your investment.

Tips for Finding the Right CNC Milling and Turning Supplier

1. Research and compare multiple suppliers: Start by researching and comparing various CNC milling and turning suppliers. Gather information about their experience, capabilities, and reputation by reviewing their website and asking for references.

2. Request for a quote: Once you have narrowed down your options, request a detailed quote from each supplier. Compare the quotes based on price, lead time, and overall value provided.

3. Assess the quality of their work: Ask for samples of their previous projects, as this will give you a clear idea of their craftsmanship and the quality of their work.

4. Visit the supplier's facility: If possible, visit the supplier's facility to gauge the cleanliness of their workspace, the condition of their equipment, and their overall commitment to quality and safety.

5. Communicate your project requirements clearly: Be transparent about your project specifications, timeline, and budget. Clear communication will help you assess the supplier's capabilities and willingness to meet your expectations.

In summary, choosing the right CNC milling and turning supplier requires careful consideration and research. By taking the time to evaluate each supplier's experience, quality assurance, equipment, material selection, communication, and customer service, you can find the perfect partner to meet your manufacturing needs.

cnc milling and turning suppliers

What is CNC Turning

CNC turning is a process that involves using computer numerical control (CNC) machines to shape and finish various materials, such as metals and plastics, into desired shapes and sizes.
This process is typically used in the manufacturing industry to produce precision parts and components for a wide range of applications, including automotive, automation, aerospace, medical, machinery, and industrial.

CNC Turning service

Asianstar Professional CNC Turning Service

Asianstar CNC turning Service offers precision machining for a wide range of materials, including metals, plastics, and composites. With high level facilities and skillful operators, we can produce high-quality parts with tight tolerances and intricate designs.

Our CNC turning capabilities allow us to produce parts with diameters ranging from 0.5 mm to 480mm and lengths up to 450mm. We offer both single and multi-axis turning, as well as live tooling options for added complexity and accuracy.

We use proven processes and quality control measures to ensure that every part we produce meets our clients' specifications and expectations.

Whether you need a single prototype or high-volume production runs, our CNC turning service can provide the precision and reliability you need to get your project completed on time and on budget.

CNC Turning service

Components Sizes of Asianstar CNC Turning Service

Unit (mm) Min Max
Out Diameter 0.5 480
Inner Diameter (Hole) 0.3 465
Length 1.0 450
Groove Diameter 0.4 above
Thread M1.2 above

Components Tolerance of Asianstar CNC Turning Service

Unit (mm) Tolerance according to sizes
Height Tolerance Diameter Size 0.5 to 3 3 to 6 6 to 30 30 to 120 120 to300 300 to480
Tolerance ±0.003 ±0.010 ±0.020 ±0.030 ±0.035 ±0.040
Length Tolerance Length Size 0.5 to 3 3 to 6 6 to 10 10 to 20 20 to 30 30 above
Tolerance ±0.010 ±0.020 ±0.250 ±0.250 ±0.030 ±0.035

Components shape and position tolerance of Asianstar CNC Turning Service

Tolerance Class followed Tolerance (mm)
Straightness and Flatness Verticality Symmetry
10 10 to 30 30 to 100 100 to 300 300 to 1000 1000 to 3000 to 100 100 to 300 300 to 1000 1000 to 3000 to 100 100 to 300 300 to 1000 1000 to 3000
H ±0.015 ±0.02 ±0.03 ±0.05 ±0.10 ±0.15 ±0.02 ±0.025 ±0.03 ±0.035 ±0.02 ±0.03 ±0.04 ±0.05

Capability of Asianstar CNC Turning Service

Type of Turning Machine Diameter Size (mm) Length Size (mm) Productivity (PCS/Month)
Auto Turning Machine Simple Turning Machine Multi Turning Machine Pin Turning Machine Min 0.5 Max 480 Min 1.0 Max 450 200’000/Item


Multiple Machining Processes

Multiple Machining Processes

Asianstar has various machining processes to support different types of components from client, we can choose the best suitable manufacturing solution to carry result in perfect performance and cheap cost

Flexible Custom Service

Flexible Custom Service

With skillful machining technologies, Asianstar is flexible to support clients on different materials and different structures of the components, we also flexible on the components quantities and even assembly

Create Designing for Clients

Create Designing for Clients

Not only producing according to clients drawings, Asianstar also propose the better designing to clients, supporting clients to buildup improved designing or even new generation components

Standard Procedures

Standard Procedures

Asianstar production, as experienced by many years, is strictly following internal Standard Operating Procedures, to make sure the production schedule is smooth and plans are well carried out well without accidents

Standard Procedures

Standard Procedures

Asianstar strictly controlling product quality by system. We start QC controlling from production plan once setting up, to production process by monitoring QC checking and until the final Inspection before packing

Fast Lead-Time Delivery

Fast Lead-Time Delivery

Asianstar strictly control the production processes, teams keep the plan moving ahead according to the procedures, we have internal time management schedule which mostly bring earlier lead-time of delivery

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.


  • 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?
  • Q4.Where Is Your Factory?
  • Q5.Can You Provide Samples?
  • Q6.How About Your After-sales Service?
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