Reliable CNC Auto Parts Supplier in China
- Supports comprehensive customization, with parts precision and specifications tailored to your requirements.
- From design to processing to surface treatment, we provide a one-stop service for your automotive parts projects.
- Adequate inventory ensures that you can place orders at any time and quickly start production.
- Our professional engineering team provides free technical support at any time to help you optimize your design.
- A wealth of design references ensures that each part is more efficient and manufacturable.
- Free DFM reports help you identify design issues in advance, reducing manufacturing risks and costs.
CNC Auto Parts We Are Experts in

High-precision CNC machined aluminum cylinder head, ensuring powerful engine output and long-lasting durability.

Lightweight GR5 titanium alloy valve spring retainer, improving engine response speed and fatigue resistance.

High-precision aluminum die-cast timing cover, perfectly fitting to protect the stable operation of key engine components.

Wear-resistant straight and helical gears for the transmission, ensuring smooth power transmission and a longer service life.

CNC precision-machined bearing housings, enhancing the overall stability of the transmission and drivetrain system.

High-strength drive shaft actuator housings, specifically designed for heavy-duty applications, ensuring durability and reliability.

High-strength constant-velocity universal joint half-shafts, compatible with various vehicle models, enhancing the durability of the drivetrain system.

High-precision valve guides, optimizing valve movement precision, improving engine efficiency and lifespan.
More CNC Auto Parts Options
Rotor ShaftHigh-precision rotor shafts, precision-machined aluminum and stainless steel, can be used in high-temperature, high-performance motor and automotive applications, delivering stable rotation and long-lasting reliability.
Shaft Drive GearCNC gear shafts assure accurate and efficient power transmission in automobile motors and engines, used in high-torque applications, with a very long service life.
Gravity Casting Bearing HousingPrecision aluminum bearing housings, manufactured by the process of casting and precision machining technology, provide stable support for automotive powertrain systems, combining strength, stability, and light weight.
Front Suspension Lower Control ArmPrecision CNC-machined front suspension lower control arms, with accurate positioning, durability, better driving comfort, and long-term reliability assurance.
Metal Inserts Suspension BushingHigh-precision CNC-machined metal bushings, with wide applicability to suspension arms, effective vibration absorption, noise reduction, and long-term stability assurance.
Brake Caliper Auto PartsLong-lasting high-precision CNC-machined brake calipers provide high braking power and consistent braking performance for various models of automobiles.
Dowel PinSilicon nitride ceramic dowel pins find extremely accurately during assembly of automotive parts, with high hardness, resistance to wear, and reliable, repeatable location.
Intake and Exhaust ManifoldsCustom-made stainless steel and aluminum intake and exhaust manifolds optimize the airflow design, precision cast to deliver long-lasting and reliable components that increase the efficiency of the engine.
Why Choose DSR's CNC Auto Parts

Customize CNC auto parts to your project needs, from size to shape.

CNC automotive parts are machined with a precision of 0.01 mm for exact fit and long-lasting performance.

Choose from stainless steel, aluminum alloy, titanium alloy, and more to meet the needs of

Designed for high-stress and high-temperature conditions to gain stability in the system for the long term.

We have various surface treatment procedures such as anodizing, electroplating, and spraying to protect the parts and enhance their appearance.

We deliver CNC parts quickly, from sample to mass production, while offering quality.

There are professional engineers for support online throughout the process, offering technical advice from design to production to facilitate easy implementation.

All batches of parts are strictly checked, involving dimensional inspection, surface treatment inspection, and functional inspection, to automotive industry standards.
DSR CNC Automotive Parts Material Selection
DSR offers a variety of high-performance materials for CNC automotive parts processing, including:
- Carbon & Alloy Steel
- Stainless Steel (304 / 316 / 17-4PH)
- Aluminum Alloy (6061 / 6063 / 7075)
- Titanium Alloy (GR5 / Ti-6Al-4V)
- Brass & Bronze
- PA (Nylon)
- POM (Acetal)
- PTFE (Teflon)
- CFRP
- GFRP
Have a special requirement? Our engineers are ready to provide free consultation and DFM feedback to make your project feasible.


Various Surface Treatment Methods
At DSR, we understand the importance of surface treatment for the performance and appearance of parts. Therefore, we offer a variety of surface treatment methods to enhance the durability, corrosion resistance, and aesthetics of CNC automotive parts.
- Anodizing
- Electroplating
- Powder Coating
- Black Oxide
- Phosphating
- Polishing
- Brushing
- Heat Polishing
If you have specific requirements or need customized surface treatment, our professional team can provide tailor-made solutions for your project.
Our CNC Capabilities
DSR offers a variety of processing techniques to turn your automotive parts from concept to reality, providing flexible and reliable solutions for each project.
- CNC Turning
- CNC Milling
- CNC Drilling
- CNC Metal Fabrication
- CNC Bending
- CNC Laser Cutting
- Injection molding
- 3D printing and forging
- MIG and TIG welding
No matter how complex your project is, our team can recommend the best process to ensure high-quality, high-precision parts are delivered on time.


Flexible Customization of CNC Auto Parts
At DSR, we turn your ideas into reality. Whether it’s prototype parts or mass production, we can customize them precisely according to your designs. Simply provide us with drawings or concepts, and we’ll take care of the rest.
No project is too complex for us to handle. From single-piece samples to large-scale production, we guarantee smooth communication and timely delivery, ensuring that every custom order is reliable and worry-free.
Contact us today to start your customization journey!
DSR’s Factory


We have a 5,000-square-meter factory equipped with over 30 CNC machines, including 20 three-axis CNC machines, 8 four-axis machining centers, and 4 five-axis CNC systems. In addition to machining equipment, we also have Hexagon/Zeiss coordinate measuring machines, Huaxingda hardness testers, and Mitutoyo roughness testers for quality control.
We have a workforce of 95 employees, including design engineers, process engineers, CAM engineers, machining technicians, assembly fitters, and measurement and inspection technicians. We are capable of handling custom CNC machining orders of all sizes.
Prices vary depending on the material, size, processing complexity, and quantity of the part. We can provide a detailed quote based on your drawings or samples to ensure the best value for money.
Of course. Our CNC equipment can achieve a precision of 0.01 mm, ensuring precise fit and long-term reliable operation of the parts.
No problem. We offer comprehensive customization services, with professional engineers guiding the process from design evaluation to production completion. We also provide free DFM reports to ensure the feasibility of part design and optimize production efficiency.
Every batch of parts undergoes rigorous inspection, and material reports or certifications can be provided. We hold TS16949 and ISO9001 certifications and also support third-party inspections to ensure parts comply with automotive industry standards.
Most parts are compatible with existing systems. Our professional technical staff can provide compatibility recommendations and technical support based on your system requirements to ensure smooth installation and long-term stable operation.







