CNC Automotive Manufacturing

Rapid automotive prototyping and auto parts manufacturing

Combine 5-axis precision milling with diamond machining technology

Complex geometric shapes and precise optical details

Minimum machining radius R0.1mm and surface tolerance ±0.02mm

CNC milled roughness Ra(μm) 0.2 and mirror-polished Ra(μm) 0.05

China Best CNC Machining Automotive Parts Manufacturer

Runsom, a CNC machining automotive parts fabricator, serves global customers with the best CNC automotive manufacturing services. We can provide a perfect custom car parts solution for global customers including automotive manufacturers, autonomous driving technology companies, industrial heavy equipment manufacturers, OEM automotive component plants, and so on.

Our precision CNC automotive machining process enables us to deliver automotive parts with high quality and tight tolerance, no matter for both designing and producing vehicle prototypes or parts. To satisfy customers’ diverse demands, we keep ahead in the automotive manufacturing industry consistently and employ comprehensive manufacturing processes such as 3-, 5-axis CNC machining techniques for an array of complex automotive parts.

CNC metal machining

Facilitate the Way of Custom Auto Parts Fabrication

1. Improved Machining Process

Optimize manufacturing processes to create streamlined components assembly. Invest in advanced equipment and staff training.

2. Quality Assurance

Verify part geometry with several options for quality documentation. Inspection and testing with reports and certification.

3. Massive Supply Chain

Master superior production capacity and unmatched capabilities with developed supply chain and logistic options.

4. Mass Customization

Implement small batch manufacturing for more diversified and customized automotive features, tailored for the modern driver.

5. Rapid Prototyping

Refine your car parts with iterative rapid prototyping to minimize the design risk but not at the expense of development speed.

Materials Suit Best for Automotive Manufacturing

Aluminum for Automotive Manufacturing

It is an all-purpose metal greatly suitable for CNC machining on automotive parts with its good strength-to-weight ratio and light weight.


Liquid Silicone Rubber for Automotive Manufacturing

Fuel-resistant fluorosilicone is preferably used for car seals, gaskets, and tubing. And an optical clarity silicone rubber is ideal for lens and lighting applications.

Liquid Silicone Rubber

Nylons for Automotive Manufacturing

Nylons filled with mineral and glass can strengthen mechanical properties of auto parts.


Thermoplastics for Automotive Manufacturing

Hundreds of thermoplastics include PEEK, Acetal, and PVC for selection.


CNC Automotive Machining Process We offer

Runsom flexibly employs integrated manufacturing technologies with our advanced facilities to make on-demand car parts. Whether i’s from production-level plastic machining to precision metal machining or from simple milling or turning parts to complex and precision 5-axis CNC machining, we have rich experience to deal with all of that.

CNC turning titanium part

Precision CNC turned parts at the most competitive pricing, with fast lead times, and without requirements for minimum order quantity. The instant manufacturability feedback offered by Runsom’s professional technological team allows us to optimize your part designs for the CNC turning process and fulfill all requirements you need. Learn more...

Runsom has competitive markets in complex part manufacturing with ultra-precision 5-axis CNC machining with decades of incomparable innovation and experience. We are experts in true 5-axis machining, which enables us to quickly produce "almost impossible to make" 5-axis parts. Learn more...

5 axis CNC milling
Swiss lathe turning

Swiss CNC machining is a specialized process to machine small, high-precision turned parts. Precision Swiss CNC machining services are our specialty at Runsom. We can offer you suitable cost-effective solutions in Swiss-type machining and produce high-quality precision-turned parts. Learn more...

Advantages of Automotive Parts on CNC Machining with Runsom

1. Economical
Tailored production solution for your auto part CNC machining in the most cost-effective way

2. Exceptional Service
Let customers involve in every stage of the production process and solve problems on time

3. Efficient
Achieve rapid automotive prototyping & parts manufacturing for mass production

4. Durable Materials
High-quality and eco-friendly materials satisfy the requirement of your automotive applications

5. Great Accuracy
Highly skilled machinists and superior CNC machining centers ensure precision CNC machined auto parts

6. Massive Capacity
Exceptional capability in-house allows us to deal with all kinds of orders in large volume

Part of CNC Machined Automotive Parts

Suspension Parts

Exhaust Components

Fuel Rails

Dowel Pins

Fluid System Components

Brake System Components


Emission System Components

Timing Covers

Valve Retainers

Surface Finishing for CNC Machined Auto Parts


Powder Coating

Sand Blasting




CNC Machining for Automotive Industry

CNC machining is the preferred option to make auto parts in the automotive industry, given its benefits shown in this process including automation, repeatability, productivity, and more.

And with the high-speed development of the automotive industry, CNC machining can also satisfy the requirements due to its efficiency, accuracy, and stability, especially 5-axis precision machining which is viewed as an effective method to make complex automotive parts and car components, meanwhile, speed up product production cycles and enhance competitiveness. With CNC automotive machining technology, rapid automotive prototyping and auto parts manufacturing come to reality easily.

More importantly, automation in the modern auto processing manufacturing industry extremely needs flexible and integrated manufacturing technology in the CNC machining field.