Provide custom CNC machining services
Precision CNC Machining Manufacturer for Custom Metal Parts
AFI provides high-precision CNC milling, CNC turning, and custom machining solutions for aerospace, automotive, medical, and industrial manufacturers worldwide.
24h Engineering Support
Providing round-the-clock technical expertise to ensure uninterrupted operations and rapid issue resolution whenever you need it.Prototype to Mass Production
We provide end-to-end manufacturing solutions that seamlessly scale your designs from early-stage prototypes to market-scale mass production.Tolerance Accuracy Up to ±0.005mm
Using state-of-the-art machinery and expert craftsmanship, we ensure your products meet micron-level tolerance standards.Implement Strict Quality Control
Ensuring uncompromising reliability and uniformity in every batch through rigorous quality control, so every component performs exactly as expected.Integrated metal manufacturing solutions
With multiple specialized production workshops, AFI provides comprehensive manufacturing solutions from precision machining and metal stamping to fabrication, casting, and secondary processes. Our integrated capabilities support customers from prototype development to mass production.
Custom CNC Milling & Turning Services
Equipped with advanced CNC milling and turning centers, AFI provides precision machining solutions for prototypes, small batches, and mass production. Our machining capabilities support complex geometries and tight-tolerance metal components across automotive, industrial, automation, and engineering applications.
Typical CNC milling and turning parts
Precision CNC turned shafts
Custom brass & aluminum fittings
5-axis CNC milled components
CNC machined housing
CNC Turning Capabilities
| Items | Performance Parameters |
|---|---|
| Turning Diameter | Max. 550 mm |
| Turning Length | Max. 2200 mm |
| Concentricity / Runout | 0.005-0.008 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 Capabilities
| 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 |
Custom Metal Stamping Services
Our metal stamping workshop efficiently produces high-volume precision stamped components, including brackets, covers, housings, and structural parts. Advanced stamping equipment and tooling capabilities ensure consistent quality and repeatable production.
High-Precision Stamped Metal Parts
High Volume Progressive Die Stamping
Deep drawn aluminum Enclosures
Precision micro stamping parts
Heavy steel stamping parts
Metal Stamping Capabilities & Specifications
| Items | Performance Parameters |
|---|---|
| Processes | Progressive Stamping, Deep Drawing, Punching |
| Material Thickness Range | 0.2–6 mm |
| Press Capacity | 16–500 Tons |
| Materials | Steel, Stainless Steel, Aluminum, Copper, Brass |
| Applications | Brackets, Clips, Housings, Covers, Terminals |
Custom Sheet Metal Fabrication
From laser cutting and bending to welding and assembly, our sheet metal fabrication workshop provides complete manufacturing solutions for custom enclosures, frames, brackets, and industrial components.
Typical Sheet Metal Fabrications
Custom sheet metal enclosures
Precision metal frames
Custom Mounting panels
Welded sheet metal assemblies
Sheet Metal Fabrication Specifications
| Items | Performance Parameters |
|---|---|
| Processes | Laser Cutting, Bending, Welding, Assembly |
| Material Thickness Range | 0.5–20 mm |
| Maximum Sheet Size | 1500 × 3000 mm |
| Bending & Forming Precision | ±0.2 mm |
| Surface Treatment Options | Powder Coating, Painting, Anodizing, Sandblasting, Zinc plating |
Aluminum and Zinc Die Casting Services
Our casting workshop produces complex metal components with excellent structural integrity and cost efficiency. Combined with machining and finishing capabilities, we deliver ready-to-use cast parts for industrial applications.
Typical Cast Metal Components
Aluminum die cast enclosures
Precision zinc die casting parts
Die-cast automotive parts
Die casting with CNC machining parts
Metal Casting Specifications & Tolerances
| Items | Performance Parameters |
|---|---|
| Core Casting Processes | High-Pressure Die Casting (HPDC), Investment Casting (Lost Wax), Gravity Casting, Sand Casting |
| Materials | Aluminum (ADC12, A380, A356), Zinc (Zamak 3/5), Stainless Steel, Iron |
| Part Weight & Size Envelope | 0.01–50 kg / Up to 1200 × 1000 mm |
| Casting Tolerances | ISO 8062 CT4–CT7 (±0.1 mm to ±0.5 mm) |
| Secondary Operations | Precision CNC Machining, Shot Blasting, Powder Coating, Vacuum Impregnation |
Value-Added Secondary Operations
Our auxiliary workshop provides complementary manufacturing processes that allow AFI to complete more production steps internally, reducing outsourcing requirements and improving overall project efficiency.
Precision Tube & Rod Bending
Advanced CNC bending for complex tubular structures and solid rods. We ensure precise angles, zero structural deformation, and perfect repeatability for fluid transfer lines and structural frames.
Custom Gear Hobbing
High-precision gear hobbing for custom spur gears, helical gears, and splined shafts. Engineered for optimal power transmission, minimal runout, and exceptional wear resistance.
Industrial Welding Services
Certified TIG, MIG, and laser welding capabilities. Delivering high-strength, flawless seams, and complex structural assemblies with strict weld integrity and leak-proof testing.
Laser Engraving & Part Marking
We expertly engrave serial numbers, QR codes, barcodes, and custom logos on all metal surfaces, ensuring full compliance with medical and aerospace industry standards.
Machining Manufacturing Video
Applications of Our Precision Parts
Delivering high-precision CNC machined components across critical global industries.
Automotive & EV
Custom high-precision shafts, motor housings, and structural drivetrain components engineered for high durability and tight tolerances.
Industrial Automation
Precision gear hobbing, custom robot joints, and drive components designed for heavy-duty industrial robots and automation.
Medical & Healthcare
Ultra-precise CNC turned and milled components with superior surface finishing, meeting strict quality and safety compliance standards.
Aerospace & Energy
Complex geometry machining using advanced alloys, ensuring high thermal resistance and mechanical strength under harsh operations.
Why Partner with AFI for Your Custom Machining Needs?
- 3-15 days delivery depending on quantity
- Professional design and sales team, accepts any type of file
- 20 years of machining expertise, superior production process
- With more than 100 machines to cope with customers’ high-volume demand
- Adopt high drop packaging test standards
- Qualified by SGS and ISO 9001 certification
- Fast response within 2 hours, fast quotation within 4 hours
- Flexible MOQs: From rapid prototypes to high-volume mass production.
- 100% full inspection using CMM before shipment
- Competitive, factory-direct pricing with no hidden markups.
Uncompromising Quality Control Standard
AFI strictly adheres to ISO 9001:2015 quality management systems. To guarantee micron-level accuracy for your custom metal parts, our inspection facility is fully equipped with advanced Coordinate Measuring Machines (CMM) and 2D Vision Measuring Instruments. We provide comprehensive First Article Inspection (FAI) and full-dimensional reports to ensure every component exactly matches your drawing specifications before shipment.
Get an Instant QuoteEffective Quality Control Helps You Get Quality Products
End-to-end quality assurance from raw material inspection to final global dispatch, ensuring zero-defect manufacturing for your precision components.
Incoming Quality Control
Strict verification of raw material certifications and material properties before they enter our facility.
Input Process Quality Control
Rigorous 2-hour routing inspections on the CNC production line to ensure consistent dimensional accuracy.
Final Quality Control
100% full-dimensional checks utilizing advanced CMM and 2D Vision Systems to eliminate any defects.
Outgoing Quality Control
Final visual inspection and rigorous packaging verification to ensure safe global transit.
Machining Certification Guarantee
Certified by international authoritative bodies. We strictly adhere to ISO 9001:2015 quality management systems, ensuring all components meet global compliance and safety standards.
Consistent Feedback From Customers in 30+ Countries Worldwide
We eliminate supply chain risks for global buyers through rigid quality standards, responsive engineering support, and dependable lead times. Discover why procurement leaders worldwide choose us as their go-to CNC manufacturing partner.
“Working with AFI on tight-tolerance CNC turned and milled components has significantly reduced our assembly line rejection rates. Their 100% inspection process and complete CMM report transparency give us absolute confidence in every production batch. A top-tier machining partner.”
Marcus Vance
Senior Quality Engineer
“In international manufacturing, lead-time consistency is everything. AFI has maintained a 99% on-time delivery rate for our custom metal parts over the last two years. Their robust packaging ensures zero transit damage. Highly recommended for long-term B2B partnerships.”
Elena Rostova
Global Supply Chain Manager
“AFI’s engineering team goes above and beyond during early-stage DFM reviews. They helped us optimize our gear hobbing designs to lower production costs without compromising structural integrity. Fast sample turnaround and clear technical communication every time.”
David Miller
Product R&D Lead
Frequently Asked Questions
What is your Minimum Order Quantity (MOQ) for custom parts?
We offer highly flexible manufacturing. Whether you need a single prototype for design validation or 10,000+ units for mass production, we have no strict MOQ requirements.
What is your standard lead time for manufacturing and shipping?
Rapid prototypes are typically completed within 3-5 business days. Mass production lead times range from 2 to 4 weeks. We partner with DHL, FedEx, and reliable sea freight forwarders for fast global delivery.
Do you provide Material Test Reports (MTR) and inspection dimensions?
Yes. We offer comprehensive documentation including Material Test Certificates (MTC), First Article Inspection (FAI) reports, and full-dimensional CMM measurement reports with every shipment to ensure 100% compliance.
How do you protect my Intellectual Property (IP) and design files?
We strictly adhere to Non-Disclosure Agreements (NDAs). All 3D CAD models and 2D drawings are stored on secure servers, and access is restricted only to essential engineering personnel.
How do you package precision machined parts to prevent damage?
We utilize high-standard export packaging. Critical surfaces are protected with custom foam, blister packs, or anti-corrosion VCI paper, ensuring your parts arrive in pristine condition after long-distance transit.
What payment methods and terms do you accept?
We accept secure payments via Bank Transfer (T/T), PayPal, and major credit cards. Standard terms are typically a 50% deposit with the balance due before shipment, after full inspection reports are provided.
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