Services

Our services

What we offer

We combine manufacturing expertise with advanced equipment to deliver precise, cost-effective metal parts on time, every time.

Services provided

We provide a full range of custom metal parts manufacturing services, including CNC turning and milling, sheet metal fabrication, stamping, bending, and assembly. Working directly from your drawings and 3D models, our engineering and production teams ensure each component meets your dimensional, material, and functional requirements.

With stable quality, clear communication, and flexible lead times, we help you simplify your supply chain, reduce total cost, and keep your projects and production lines running smoothly.

“AFI Parts quickly understood our drawings and application. They suggested practical design optimizations that reduced cost without affecting performance, and the first batch passed inspection with no issues. They’ve become one of our most dependable metal parts suppliers.”

Daniel K.

Operations Manager

Machining

We provide precision CNC machining and custom metal fabrication solutions tailored for high-tolerance industrial applications. Our comprehensive capabilities integrate 3-axis to 5-axis CNC Turning and CNC Milling for complex geometrical components, alongside Sheet Metal Fabrication and Stamping for durable structural parts. To support end-to-end component manufacturing, we offer advanced Cutting, Welding, Bending, and Grinding, as well as high-volume Automatic Lathe Machining. Whether handling prototype development or scalable batch production, our engineered machining processes ensure strict dimensional accuracy, excellent surface finishes, and seamless integration for automotive, aerospace, and machinery equipment components.

Precision CNC Turning

We deliver high-precision turned components for complex industrial applications. Our advanced turning centers achieve extreme tolerances down to ±0.005mm.

Core Materials: Aerospace-grade Inconel 718, Aluminum 6061-T6, and structural steels.
Quality Control: 100% verifiable quality with rigorous CMM inspection.

Click to view our complete tolerance charts and material spec sheets.

View Turning Tolerances & Specs

Multi-Axis CNC Milling

Optimize your production with our 3, 4, and 5-axis CNC milling capabilities, designed for intricate geometries and tight positional tolerances down to ±0.01mm.

Material Versatility: Expertise in routing both hard metals and engineering plastics like PEEK.
Applications: Complex custom housings, brackets, and mechanical fixtures.

Click to view our complete tolerance charts and material spec sheets.

Explore 5-Axis Milling Capabilities

High-Volume Metal Stamping

Precision progressive and single-hit die stamping for high-yield, consistent metal components with minimal material waste.

Press Capacities: Advanced mechanical and hydraulic presses ranging up to 200 Tons.
Thickness Limits: Handling complex geometries with material thickness from 0.1mm to 6mm.

Explore our in-house tooling design and stamping press specifications.

Check Stamping Press Specs

Custom Sheet Metal Fabrication

Precision sheet metal forming for complex industrial enclosures, chassis, and brackets. Our CNC press brakes deliver exact bending angles with tight tolerances down to ±0.1mm.

Core Materials: Expertise in processing Aluminum 5052, Stainless Steel 304/316, and Galvanized Steel.
Value-Add: Seamless in-house integration of laser cutting, CNC punching, and automated powder coating.

Click to view our folding limits and standard sheet metal gauge charts.

View Sheet Metal Capabilities

Deep Drawn Enclosures

Seamless metal forming for cylindrical, rectangular, and complex hollow shapes with extreme length-to-diameter ratios.

Wall Thickness: Consistent material flow maintaining tight tolerances without tearing.
Applications: Battery casings, motor housings, and industrial sensor covers.

Click to check our maximum drawing depth and wall thickness capabilities.

View Deep Drawing Limits

Casting

Our metal casting and forging division delivers high-integrity structural components designed to withstand severe mechanical stress and operational environments. We specialize in Lost Wax Casting (Investment Casting) for high-precision, intricate geometries, Die Casting for lightweight and high-volume non-ferrous alloys, and heavy-duty Sand Casting. For specialized industrial demands, our Precision Casting capabilities achieve exceptional surface roughness and tight tolerances, while our Forging services enhance grain structure and tensile strength for critical load-bearing parts. By strictly controlling metal composition and heat treatments, we supply dependable cast parts for heavy machinery, valve systems, and industrial hardware.

Aluminum & Zinc Die Casting

Cost-effective, high-volume production for complex metal enclosures and structural parts with excellent dimensional stability.

Materials: Premium Aluminum (ADC12, A380) and Zinc (Zamak) alloys.
Tooling: In-house mold design focusing on standardized tooling cost optimization.

Click to view our die casting size limits and standard tolerance grades

Explore Die Casting Tooling

Precision Investment Casting

Lost-wax casting processes for intricate components with superior near-net shapes, reducing the need for secondary machining.

Surface Finish: Exceptional out-of-mold finish (Ra 3.2-6.3 μm).
High-grade Stainless Steel, Carbon Steel, and custom alloy pours.

Click to view our investment casting size limits and standard tolerance grades

View Casting Tolerances

Precision Powder Metallurgy (PM)

High-efficiency pressing and sintering for complex, near-net-shape components. Offering exceptional material utilization and consistency for high-volume production.

Net-Shape Precision: Achieving tight tolerances down to ±0.02mm directly from the mold, reducing secondary machining costs.
Specialty Materials: Sintered Bronze, Iron-Copper Alloys, and porous metals ideal for custom gears and self-lubricating bearings.

Explore our PM material spec sheets and high-volume sintering capabilities.

Check Powder Metallurgy Specs

Auxiliary processing

Auxiliary processing includes tube and pipe bending, gear hobbing, and industrial welding. Tube and pipe bending forms tubular components to the required angles and radii. Gear hobbing produces gears, splines, and sprockets according to the specified tooth profile. TIG, MIG, and fiber laser welding are used to join metal components where welding is required by the part design.

CNC Tube & Pipe Bending

Accurate mandrel and rotary draw bending for complex tubular structures, ensuring smooth inner walls without collapse or wrinkling.

Capabilities: Multi-radius bending for Outer Diameters (OD) up to 114mm (4.5 inches).
Applications: Custom roll cages, fluid transfer lines, and heavy-duty structural frames.

Click to check our maximum bending radius and tube wall thickness capabilities.

Explore Tube Bending Limits

Custom Gear Hobbing

Manufacturing high-quality internal and external gears, splines, and sprockets with precise involute profiles.

Capabilities: Precision cutting for Spur, Helical, and Bevel gears.
Material Strengths: From low-carbon steels to hardened Alloy Steels.

Click to view our complete tolerance charts and material spec sheets.

View Gear Manufacturing Specs

Certified Industrial Welding

High-strength metallurgical bonding utilizing advanced TIG, MIG, and Fiber Laser Welding techniques for flawless penetration and structural aesthetics.

Quality Control: AWS-certified welders ensuring structural integrity with optional Non-Destructive Testing (NDT).
Material Strengths: Expert welding of dissimilar metals, Titanium, and aerospace-grade aluminum assemblies.

View our welding certifications and structural assembly portfolio.

View Welding & Assembly Specs

Fiber Laser Cutting

Rapid, burr-free profiling of flat metal sheets utilizing high-power fiber lasers for both rapid prototyping and high-volume runs.

Thickness Limits: Up to 25mm Carbon Steel and 15mm Stainless Steel.
Value-Add: Seamless integration with our in-house bending and welding services.

Click to view our complete tolerance charts and material spec sheets.

See Laser Cutting Materials

Precision Surface & Cylindrical Grinding

Ultra-precision grinding services achieving mirror-like surface finishes and micrometer-level flatness for critical mechanical components.

Extreme Tolerances: Holding tight dimensional accuracies down to ±0.001mm and superior surface roughness of Ra 0.2 μm.
Best For: High-wear mechanical seals, bearing journals, and custom hydraulic valves.

Click to view our grinding surface finish charts and dimensional limits.

See Precision Grinding Tolerances

Precision Laser Engraving & Part Marking

Delivering high-contrast, permanent laser marking for critical part traceability, branding, and industry compliance without affecting underlying dimensional tolerances.

Marking Capabilities: High-resolution engraving of QR Codes, Data Matrix barcodes, serial numbers, and custom logos.
Material Versatility: Optimized for anodized Aluminum 6061-T6, hardened metals like Inconel 718, and engineering plastics including PEEK.

Click to view our permanent marking standards and contrast specifications.

View Laser Marking Specs

Heat Treatment

Quenching

Controlled quenching to increase hardness and strength for parts working under heavy load and wear.

Learn More

Metal Tempering

Tempering services to balance hardness and toughness, improving performance and extending part life.

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Surface Treatment

We offer a complete suite of surface finishing and anti-corrosion treatments engineered to prolong product lifespan and meet specialized environmental standards. Our processing services include Anodizing for aluminum durability, Electroplating for corrosion resistance, and Spray Painting or Powder Coating for custom protective finishes. Additionally, we provide precision Brushed textures, uniform Sandblasting for surface preparation, and high-quality Polishing to achieve flawless aesthetic requirements. Every surface process is optimized to ensure maximum adhesion, uniform layer thickness, and compliance with global industrial compliance frameworks (e.g., RoHS/REACH).

Chemical Passivation

Enhancing the corrosion resistance of stainless steel components by removing free iron from the surface.

Standards: Fully compliant with ASTM A967 and industry-grade nitric/citric acid processes.
Best For: Medical devices, fluid control valves, and aerospace parts.

Click here to view our standard passivation finishes.

View Passivation Standards

Aluminum Anodizing (Type II & III)

Providing durable, non-conductive oxide finishes to protect aluminum components against wear and corrosion.

Options: Custom color matching and Hard Coat (Type III) for extreme environments.
Applications: Marine hardware, optical equipment, and automation robotics.

Click here to view our standard anodizing finishes.

See Anodizing Color Options

Industrial Electroplating

Enhancing wear resistance, surface hardness, and corrosion protection through precision electrodeposition. We meticulously control plating thickness down to single microns (μm) to maintain your critical machining dimensions without interference.

Core Options: Hard Chrome, Electroless Nickel (ENP), Zinc, and precious metals like Gold for highly conductive electronic components.

Click to view our standard plating thicknesses.

View Plating Specifications

Premium Brushed Finishes

Creating uniform, directional abrasive grain finishes for premium aesthetic appeal and the effective concealment of minor surface defects on custom metal enclosures.

Grit Levels & Materials: Customizable finishes ranging from coarse #80 grit to ultra-fine #400 grit on architectural Stainless Steel 304/316 and Aluminum panels.

Explore our brushing grit options and Ra roughness values.

See Brushed Finishes

Sandblasting & Bead Blasting

Delivering a consistent, non-reflective matte or satin texture, safely removing machining burrs, and perfectly preparing metal surfaces for subsequent anodizing or painting.

Media Types: Utilizing Glass Beads, Aluminum Oxide, and Ceramic Grit tailored for delicate CNC milled housings or heavy-duty die-cast parts.

Check our blasting media types and surface textures.

View Blasting Specs

Powder & Spray Coating

Applying durable thermoset polymer finishes that offer superior resistance against UV degradation, chemical exposure, and mechanical impacts in harsh industrial environments.

Coating Varieties: Industrial-grade Epoxy, Polyester, and Polyurethane liquid and powder coatings with exact RAL color matching and full RoHS compliance.

View our available RAL colors and coating durability charts.

Check Coating Options

Need custom metal parts? Let’s build them.

We combine manufacturing expertise with advanced equipment to provide fast, accurate, and dependable production.

(0086) 139-2924-0170

No matter what kind of metal component you need, our skilled machining and fabrication team is here to help.

From prototypes to full-scale production, we’ll deliver consistent, high-quality parts that match your drawings and deadlines. Have a project in mind? Contact us today and let us take care of the manufacturing.

Schedule an Appointment