CNC Auto 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 Auto Parts: Precision-Engineered Solutions for Automotive Excellence
At Dongguan Junsion Precision Hardware Co., Ltd., we specialize in manufacturing high-quality CNC Auto Parts that meet the exacting standards of the automotive industry. Our cutting-edge CNC machining tools and strict quality control measures make sure that every part we make is of the highest quality and most reliable. We've become a trusted partner for car OEMs and suppliers around the world because we're dedicated to new ideas and happy customers.
Description
Our products are the backbone of modern vehicle manufacturing, offering superior performance and durability. We utilize advanced CNC technology to produce a wide range of components, including:
- Engine parts (pistons, camshafts, crankshafts)
- Transmission components (gears, shafts, housings)
- Suspension parts (control arms, tie rods, ball joints)
- Brake system components (calipers, rotors, ABS sensors)
- Steering system parts (steering knuckles, tie rod ends)
Each part is precision-machined to tolerances as tight as ±0.01mm, ensuring perfect fit and function in your automotive assemblies.
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Product Specifications
| 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 various surface treatments for our products:
- Anodizing (for aluminum parts)
- Electroplating (zinc, nickel, chrome)
- Powder coating
- Hard anodizing
- Passivation (for stainless steel)
These treatments improve corrosion resistance, wear resistance, and aesthetic appeal, extending the lifespan of your automotive components.

Drawing Guide
We accept various file formats for your products designs:
- 2D drawings: DWG, DXF, PDF
- 3D models: STEP, IGS, X_T, PRT
Our engineering team can assist with design optimization to enhance manufacturability and reduce costs without compromising quality.
Production Process
Our CNC Auto Parts undergo a rigorous production process:
- Material selection and inspection
- CNC programming and setup
- Precision machining
- In-process quality checks
- Surface treatment (if required)
- Final inspection and testing
- Packaging and shipping
This comprehensive approach ensures consistent quality and on-time delivery for all your products orders.
Quality Certification
We maintain strict quality standards for our products:
- ISO 9001:2015 certified quality management system
- IATF 16949 compliance for automotive industry standards
- RoHS and REACH compliant materials
- 100% inspection using advanced CMM and vision systems
Our commitment to quality gives you peace of mind and reduces your quality control burden.

Shipping and Delivery
We understand the importance of timely delivery in the automotive supply chain:
- Fast turnaround: 3-day sample delivery, 7-15 day mass production
- Global logistics network for efficient worldwide shipping
- Secure packaging to prevent damage during transit
- Real-time order tracking and updates
Our reliable shipping ensures your products arrive on schedule, supporting your JIT inventory management.

Why Choose Us?
- Advanced precision machining capabilities
- Comprehensive one-stop custom solutions
- Wide material selection and consistent quality
- Fast turnaround times to meet your production schedules
- Strict quality control system for reliable parts
- Extensive industry experience and global reach
- Customer-centric service and technical support
Partner with JUNSION for the products that drive your automotive business forward.

FAQ
Q: What materials do you use for the products?
A: We work with various metals, including stainless steel, aluminum, carbon steel, and titanium.
Q: Can you handle both prototyping and mass production?
A: Yes, we offer flexible solutions from small batch prototypes to high-volume production runs.
Q: Do you provide design assistance for the products?
A: Our engineering team can help optimize designs for manufacturability and cost-effectiveness.
Q: What quality standards do your products meet?
A: Our parts comply with ISO 9001, IATF 16949, RoHS, and REACH standards.
Contact & Support
Ready to elevate your automotive components with precision-engineered CNC Auto Parts? Contact our expert team today:
Email: Lock@junsion.com.cn, echo@junsion.com.cn, or evelyn@junsion.com.cn.
Let JUNSION be your trusted partner in productts manufacturing. Request a quote now and experience the difference that precision, quality, and reliability can make in your automotive production.






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