
services
Custom CNC Milling Services
We manufacture CNC-milled prototypes and production parts based on your drawings, material requirements, tolerances, and technical specifications.
Upload 3D Cad/STEP File for Fast QuoteISO 9001 Quality System |Fast Turnaround | ±0.005mm High Accuracy |Advanced 3/4/5-Axis Machines
CNC Milling Capabilities
For your project, CNC milling can accommodate prototypes, small-batch orders, and production components with different sizes and geometries. Material, tolerance, quantity, and application requirements are considered when determining the machining process and production arrangement.
| Items | Performance Parameters |
|---|---|
| Axis Capabilities | 3-axis,4-axis,5-axis, |
| Workpiece Size | 1150 × 850 mm |
| Positional Tolerance | ≤ 0.001 mm |
| Surface Roughness | Down to Ra 0.2 |
| Materials | Aluminum, Stainless Steel, Carbon Steel, Brass, Copper, Titanium, POM |
| Processes | Milling, Drilling, Tapping, Reaming |
CNC Milling Services for Prototypes & Production
At AFI Industrial Co., Ltd., provide custom CNC milling services for complex and precision-machined components across a wide range of industries. Our advanced 3-, 4-, and 5-axis CNC machining capabilities allow us to produce parts with tight tolerances, intricate geometries, and excellent surface finishes.
From one-off prototypes and small batches to high-volume production, we work with aluminum, stainless steel, titanium, brass, engineering plastics, and other materials to meet your specific requirements. With strict quality control and professional inspection throughout the production process, we deliver reliable, consistent parts that meet your drawings, specifications, and application needs.

Precision CNC Milling
Manufacture precision milled components according to your drawings, dimensional requirements, and application specifications.

CNC Milling Prototypes
Validate your design with functional prototypes before moving into larger production runs.

Low-Volume Production
Produce small batches of custom milled parts with consistent quality and controlled production costs.

High-Volume Production
Support repeat and high-volume orders with production planning, process control, and final inspection.
Custom CNC Milling Materials
AFI company offers its customers products in a wide range of materials. Whether it is necessary to process steel, aluminum, copper and other CNC milling machine metal materials to meet the needs of high strength and durability; Or use plastic, such as nylon, PVC, etc., to achieve lightweight and special performance; Or other special materials with specific requirements, we can rely on advanced technology and professional team, tailor-made for you to meet the quality needs of customers.

Aluminum is light but strong, with excellent machinability and corrosion resistance. Ideal for aerospace and automotive components, including.
- 6070
- 6061
- 6005
- 6151
- 5652
- 5454
- 5254
- 5657
- 6101
- 6063
- 5182
- 5252
- 5086
- 5052
- 5050
- 5154

Brass is an exceptional material choice for custom CNC milling due to its superior machinability, excellent electrical conductivity, and high corrosion resistance. Known for its low friction coefficient and natural friction-reducing properties, brass allows for ultra-fast cutting speeds, high-precision tolerances, and pristine surface finishes without rapid tool wear.
Whether you need prototypes or high-volume custom production, our advanced CNC milling technology ensures exact dimensional accuracy and tight tolerances for all your brass manufacturing requirements.
- C27400
- C28000
- C36000

Copper is known for its excellent conductivity and thermal properties, making it ideal for electrical components and heat exchangers.
- C101(T2)
- C103(T1)
- C103(TU2)
- C110(TU0)
- Beryllium copper

Bronze has strong resistance to corrosion and metal fatigue and is suitable for the manufacture of bearings, bushings and Marine hardware.
- Tin bronze

Steel is an alloy with high tensile strength and high durability and is commonly used in the construction and automotive industries due to its robustness.
- Pig iron
- wrought iron
- steel

Alloy hardness, good heat resistance, corrosion resistance, etc., including.
- steel alloy
- Aluminum alloy
- zinc alloy
- titanium alloy
- nickel alloy
- molybdenum alloy
- titanium alloy
- tungsten alloy
- chromium alloy

Plastic manufacturing costs are low. Durable, waterproof, and lightweight. Easily molded into different shapes. It is a good insulator.
- GPPS
- LDPE
- HDPE
- HIPS
- ABS757
- ABS767
- MBS
- SAN
- PS
- PC
- PVC
- PE
- PP
- PA-6
- PA-66
- POM
- PMMA
- EVA
- PBT
- PET

Stainless steel is known for its corrosion resistance, making it the first choice for medical equipment and food processing equipment.
- SUS201
- SUS 304
- SUS316L
- SUS440C
- SUS303
- SUS316
- SUS420
- SUS430
- AISI 304
- SUS630/17-4PH
- SUS431

CNC turning wood is easy to process, the material is light and strong, and it is a good heat insulation and electrical insulation materialhogany.
- camphor wood
- Chinese fir
- yellow pineapple wood
- Liu An wood
- basswood
- oak
- catalpa wood

There are many kinds of stone that can be used for processing, which are widely used in construction, decoration, engraving and other fields.
- marble
- granite
- limestone
- artificial stone
Custom Surface Treatment
AFI Industrial Co., Ltd. provides surface treatments for custom precision CNC parts. Whether you need anodizing, electroplating, or other surface treatments for your projects, our expertise adds value by meeting the quality requirements of your products.

Anodizing
Enhances corrosion resistance and aesthetic appearance of aluminum components.

Electropolishing
Creates a smooth, clean finish with high corrosion resistance for stainless steel.

Spray
Provides a protective layer and uniform color for enhanced durability.

Brushed
Delivers a refined satin finish while reducing reflectivity and hiding minor scratches.

Sandblasting
Creates a uniform matte texture and prepares surfaces for further finishing.

Polishing
Produces a mirror-like shine and ultra-smooth finish for decorative metal parts.
CNC Milled Parts We Manufacture
For your project, use these CNC milled parts as reference for material, dimensions, tolerances, surface finish, machining process, and production quantity.

Precision Aluminum Housing
Material: 6061-T6 Aluminum
Application: Industrial Equipment Housing
Dimensions: Length 186mm | Width 118mm | Height 32mm
Process: 3-Axis CNC Milling
Tolerances:
Length: ±0.02mm
Diameter: ±0.05mm
Position: ±0.03mm
Surface Finish: Anodizing (Ra ≤ 1.6μm)
Monthly Capacity: 5,000 pcs / month
Custom Aluminum Heat Sink
Material: 6061-T6 Aluminum
Application: Thermal Management for Electronic Equipment
Dimensions: Length 186mm | Width 118mm | Height 32mm
Process: High-Precision CNC Milling
Tolerances: Length: ±0.02mm | Width: ±0.02mm | Fin Spacing: ±0.05mm | Flatness: ≤0.03mm
Surface Finish: Blue Anodizing (Ra ≤ 1.6μm)
Monthly Capacity: 10,000 pcs / month


Stainless Steel Precision Part
Material: 316L Stainless Steel
Application: High-End Industrial Equipment Structural
Dimensions: Length 120mm | Width 80mm | Height 35mm
Process: High-Precision CNC Milling & Complex Multi-Axis Machining
Tolerances: +/-0.02mm | Width: +/-0.02mm | Hole Diameter: +/-0.005mm | Position: <=0.01mm
Surface Finish: Mirror Polished (Ra <= 0.2um)
Monthly Capacity: 5,000 pcs / month
CNC Milling Applications Across Industries
CNC milled components are used across automotive, medical, automation, and industrial equipment applications, with part requirements varying by design, material, tolerance, and application.

Automotive
CNC milled components for transmission systems, steering systems, engine mounts, and other vehicle applications.

Medical
CNC milled components for surgical instruments, instrument housings, and other medical equipment.

Automation
CNC milled components for robot joints, gears, EOAT components, and automated equipment.

Industrial Equipment
CNC milled components for pumps, valves, machinery, and hydraulic or pneumatic systems.
From Prototype to Production
We have more than 100 horizontal CNC lathes and vertical CNC lathes, which can provide high-volume production services for customers. Whether it is complex parts or standard parts, our advanced production equipment and professional technical team can complete on time, according to quality and quantity.
01
DFM Review
Drawing and manufacturability review.
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02
Prototype
Initial sample production.
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03
Production
Controlled CNC manufacturing.
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04
Inspection
Dimensional and quality inspection.
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05
Packaging
Protective export packaging.
INSPECTION AND PACKAGING
Inspection and packaging can be specified according to your part requirements, including dimensional inspection, surface measurement, first article inspection, material certification, and packaging.
CMM Inspection
Dimensional accurocy
FAI Reports
First article inspection
Surface Measurement
Surface roughness
Material Certification
Traceability

CMM Inspection

Surface Measurement

FAI Reports

Secure Packaging
Why Choose AFI for CNC Milling?
With our services, you will get a trusted supplier. In the coming days, we will continue to improve our professional degree, expand our credibility, and let you get the following harvest!

Precision Manufacturing
CNC machining focused on dimensional accuracy and repeatability.

Engineering Support
echnical review of drawings and manufacturing requirements before production.

Flexible Production
Prototype, low-volume and high-volume production capabilities.

Quality Control
Inspection procedures based on customer drawings and critical specifications.

Frequent Asked Questions
1.What materials can be processed with your CNC milling services?
We process a wide range of metals and plastics, including Aluminum (e.g., 6061, 7075), Stainless Steel (304, 316), Titanium, Brass, Copper, as well as engineering plastics like POM, ABS, Nylon, and PEEK.
2. What is the maximum precision and tolerance level you can achieve for custom milling parts?
Utilizing advanced 3-axis, 4-axis, and 5-axis CNC machining centers along with high-precision CMM inspection equipment, we can strictly control tolerances within ±0.005 mm to ±0.01 mm (depending on part geometry and material specifications).
3. What surface finishing options do you offer for CNC milled components?
We provide comprehensive post-processing and surface treatments to meet structural and aesthetic requirements, including As-Machined, Anodizing (Type II & Type III Hardcoat), Powder Coating, Passivation, Electroplating, Bead Blasting, Polishing, and Laser Engraving.
4. How do you handle quality control and inspection before shipment?
Every project undergoes rigorous quality management protocols, including First Article Inspection (FAI), in-process dimensional checking, and 100% final inspection using CMM, optical comparators, and surface roughness testers. Full inspection reports and material test certificates (MTC) are provided prior to dispatch.
5. How can I get a quote, and what is the typical lead time for custom prototypes and mass production?
Simply upload your 3D/2D CAD files (STEP, IGES, SolidWorks, or PDF) through our contact form. We usually provide a detailed quote and DFM analysis within 24 hours. Prototypes typically take 3–7 business days, while low-to-high volume production runs usually range from 1 to 3 weeks.
