CNC auto parts from us are crafted with meticulous attention to detail. They provide reliable and efficient components that contribute to the smooth operation of automobiles.
| Production type | Custom production and processing | Material | Metal, non-metal, carbon steel, stainless steel, copper, aluminum alloy |
| Processing methods | CNC Trining Parts 5-axis CNC machining centers, grinding machines, wire cutting | Processing Equipment | CNC Trining Parts 5-axis CNC machining center, grinder, wire cutting |
| Accuracy | ±0.02mm | Whether proofing | yes |
| Is it customized | yes | Proofing time | 7-15 days |
| OEM/ODM | OEM ODM CNC machining service | surface treatment | Electroplating, zinc plating, chrome plating, nickel plating, oxidation, hard oxidation |
| Origin | Dongguan, China | Quotations | FOB |
| Business Type: | Manufacturer/Factory & Trading Company | Main Products: | CNC parts; Machining parts,CNC auto parts |
| Management System Certification: | ISO 9001:2015 | Average Lead Time: | Peak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays |

Reliable custom CNC auto parts 5-Axis CNC Machining
Our CNC milling services are the best in the automotive parts industry. With advanced CNC milling equipment and exquisite craftsmanship, we can give excellent quality to all kinds of automotive parts.
From key engine parts such as crankshafts and cylinder blocks, to precision gear sets of transmissions, to body structural parts and wheels, every machined part strictly adheres to strict tolerance standards, with a tolerance range of up to +/- 0.02MM, ensuring the precise fit and stable performance of the parts.
5-axis CNC milling for complex geometries
High-precision turning (Ø5mm-Ø300mm)
Multi-process integration (Complete part finishing)
Automated quality inspection (100% dimensional verification)
Material Expertise:
Stainless Steel: 304, 316, 17-4PH
Aluminum Alloys: 6061, 7075
Carbon Steel: 1045, 4140
Exotic Metals: Titanium, Inconel
| System | Components | Material Options |
|---|---|---|
| Engine | Valves, Pistons | Stainless Steel, Titanium |
| Drivetrain | Gears, Shafts | Alloy Steel, Aluminum |
| Chassis | Control Arms | Carbon Steel, 6061-T6 |
| Braking | Calipers, Rotors | 4140 Steel, 316 Stainless |

Rigorous Inspection Process:
Raw material certification (Mill test reports)
In-process dimensional checks
Final CMM verification (3D scanning)
Surface roughness testing
Functional testing (Where applicable)
Certifications:
IATF 16949 compliant processes
PPAP documentation available
Full material traceability
🏭 20+ Years automotive machining experience
📍 Dongguan, China manufacturing hub
🛠️ Production Highlights:
100+ CNC lathes (Swiss-type and conventional)
5-axis machining centers
Automated finishing systems
Coordinate measuring machines 
Why Automotive Manufacturers Choose Us:
✅ OEM-approved quality standards
✅ Prototype to production services
✅ Strict process control
✅ Competitive pricing (40% savings vs. domestic)
Functional Finishes:
Hard anodizing (for aluminum components)
Electroless nickel plating
Heat treatment (up to HRC 60)
Passivation (stainless steel) CNC auto parts
Aesthetic Finishes:
Satin polishing (standard)
Mirror polishing (+Ra 0.4μm)
Powder coating (color options)
Brushed metal finishes 
Our Engineering Support Includes:
Design for Manufacturability analysis CNC auto parts
Material selection guidance
Prototype development
Production optimization CNC auto parts
Request a Quote:
Submit your CAD files for:
Free project evaluation
Competitive pricing
Lead time estimation
Our automotive machining specialists are ready to deliver precision components that meet your exacting standards. Contact us today to discuss your CNC auto parts requirements.CNC auto parts