CNC Car Parts
Material: 45 steel,aluminum alloy,stainless steel, plastic,brass
Processing techniques: CNC, EDM, turning, five axis machining, stamping,hobbing, milling, grinding, drilling, tapping, reaming, pulling, cutting, etc
Finish:Polishing, painting, anodizing,sandblasting, plating ,blackening, electrophoresis, QPQ ,wire drawing
- Product Description
CNC Car Parts: Precision-Engineered Components for Automotive Excellence
At Dongguan Junsion Precision Hardware Co., Ltd., we specialize in manufacturing high-quality CNC Car Parts that meet the exacting standards of the automotive industry. Because we are dedicated to precision and quality and have advanced CNC machining skills, OEMs, Tier 1 suppliers, and aftermarket distributors around the world trust us as a supplier. We offer products that make sure modern vehicles work well and reliably, with tolerances of up to ±0.01mm.




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Description
Our products portfolio encompasses a wide range of critical automotive components, including:
- Engine components (pistons, connecting rods, crankshafts)
- Transmission parts (gears, shafts, housings)
- Suspension components (control arms, knuckles, tie rods)
- Brake system parts (calipers, rotors, master cylinders)
- Steering system components (steering racks, tie rods, ball joints)
Using cutting-edge CNC tools, each part is carefully made, making sure that the quality and dimensions are always correct. To meet unique performance needs, we work with a range of materials, such as aluminum alloys, stainless steel, and high-strength carbon steel.
| Material | 1) Aluminum: AL 6061-T6, 6063, 7075-T etc. |
| 2) Stainless steel: 303,304,316L, 17-4(SUS630) etc. | |
| 3) Steel: 4140, Q235, Q345B,20#,45# etc. | |
| 4) Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc. | |
| 5) Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90) etc. | |
| 5) Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90) etc. | |
| Finish | Sandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish. |
| Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing. | |
| Electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench). | |
| Electro Polishing,Chrome Plating, Knurl, Laser etch Logo, etc | |
| Main Equipment | STEP,STP,GIS,CAD,PDF,DWG,DXF etc or samples. |
| Tolerance | +/-0.01mm ~ +/-0.05mm |
| Surface roughness | Ra 0.1~3.2 |
| Inspection | Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier,CMM. |
| Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge | |
| Capacity | CNC turning work range: φ0.5mm-φ150mm*300mm. |
| CNC milling work range: 510mm*1020mm*500mm. |
Surface Treatment
To enhance durability and performance, we offer a range of surface treatments for our products:
- Anodizing (for aluminum parts)
- Electroplating (chrome, nickel, zinc)
- Powder coating
- Hard chrome plating
- Thermal spray coatings
- Phosphating
These treatments not only improve corrosion resistance but also enhance wear properties and aesthetic appeal.

Drawing Guide
We accept various file formats for your CNC Car Parts designs:
- 2D drawings: DWG, DXF, PDF
- 3D models: STEP, IGS, X_T, PRT
- Solid models: SolidWorks, Pro/E, UG
Our engineering team can assist with design optimization to ensure manufacturability and cost-effectiveness.
Production Process
- Design Review & Engineering Support
- Material Selection & Procurement
- CNC Programming
- CNC Machining (Turning, Milling, Drilling)
- Deburring & Finishing
- Surface Treatment (if applicable)
- Quality Inspection
- Packaging & Shipping
Quality Certification
Our commitment to quality is backed by industry-standard certifications:
- ISO 9001:2015
- IATF 16949:2016
- RoHS Compliance
We maintain strict quality control measures throughout the production process, including:
- Incoming Quality Control (IQC)
- In-Process Quality Control (IPQC)
- Outgoing Quality Control (OQC)

Shipping and Delivery
- Sample delivery: 3-5 days
- Mass production: 7-15 days (depending on order quantity)
- Flexible shipping options (air, sea, express)
- Customized packaging solutions available

Why Choose Us?
- Advanced Precision Machining: Our state-of-the-art CNC equipment ensures unparalleled accuracy.
- One-Stop Custom Solutions: From prototyping to mass production, we offer comprehensive support.
- Wide Material Selection: We work with various metals to meet your specific requirements.
- Fast Turnaround Time: Our efficient processes help you meet tight deadlines.
- Strict Quality Control: Multi-stage inspections guarantee consistent quality.
- Industry Experience: With over 500 satisfied clients globally, we understand automotive needs.
- Customer-Centric Approach: We prioritize transparent communication and long-term partnerships.
FAQ
Q: What is your minimum order quantity (MOQ) for the products?
A: Our typical MOQ is 500 units, but we can discuss flexible options for your specific needs.
Q: Can you provide prototypes before mass production?
A: Yes, we offer rapid prototyping services to validate designs before full-scale production.
Q: Do you offer just-in-time (JIT) delivery options?
A: We can implement JIT delivery systems for long-term partnerships to optimize your inventory management.
Q: How do you ensure the quality of your products?
A: We employ a comprehensive quality control system, including advanced testing equipment and multi-stage inspections.
Q: Can you assist with design optimization for cost reduction?
A: Absolutely. Our engineering team can review your designs and suggest improvements for manufacturability and cost-efficiency.
Contact & Support
Ready to elevate your automotive components with precision-engineered CNC Car Parts? Contact our expert team today:
Email: Lock@junsion.com.cn, echo@junsion.com.cn, or evelyn@junsion.com.cn.
Let Dongguan Junsion Precision Hardware Co., Ltd. be your trusted partner in automotive excellence. Request a quote now and experience the difference that precision machining can make in your vehicle's performance and reliability.




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