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CNC Auto Parts Manufacturer in China

DSR has spent 14 years perfecting CNC auto parts, helping your projects run smoothly with parts that fit right the first time.

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

Cylinder Head
Cylinder Head

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

Valve Spring Retainers
Valve Spring Retainers

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

Engine Timing Cover
Engine Timing Cover

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

Straight Helical Gears Transmission Drive Gear
Straight Helical Gears Transmission Drive Gear

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

Vertical Bearing Seat
Vertical Bearing Seat

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

High-precision Axle Actuator Housing
High-precision Axle Actuator Housing

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

Front C.V. Axle Drive Shaft
Front C.V. Axle Drive Shaft

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

Valve Guide
Valve Guide

High-precision valve guides, optimizing valve movement precision, improving engine efficiency and lifespan.

More CNC Auto Parts Options

  • Rotor Shaft

    High-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 Gear

    CNC 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 Housing

    Precision 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 Arm

    Precision CNC-machined front suspension lower control arms, with accurate positioning, durability, better driving comfort, and long-term reliability assurance.

  • Metal Inserts Suspension Bushing

    High-precision CNC-machined metal bushings, with wide applicability to suspension arms, effective vibration absorption, noise reduction, and long-term stability assurance.

  • Brake Caliper Auto Parts

    Long-lasting high-precision CNC-machined brake calipers provide high braking power and consistent braking performance for various models of automobiles.

  • Dowel Pin

    Silicon 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 Manifolds

    Custom-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

Flexible Customization

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

High Precision

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

Multiple Materials

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

Stability

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

Multi-Surface Treatment Options

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

Quick Delivery

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

Professional Engineer Support

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

Quality Assurance

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.

DSR CNC Automotive Parts Material Selection
Various Surface Treatment Methods

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.

Our CNC Capabilities
Flexible Customization of CNC Auto Parts

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.

How much does it cost to make a CNC automotive part?

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.

Can you process complex or particularly delicate parts?

Of course. Our CNC equipment can achieve a precision of 0.01 mm, ensuring precise fit and long-term reliable operation of the parts.

Can I give you my drawings and have you make custom parts for me?

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.

Do the parts have relevant certifications or material test reports?

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.

Can these parts be used directly in our existing automotive systems?

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.

Get Quote For Your Next Project

Ready to bring your design to life? DSR makes it easy to get started. Share your project details and our team will work closely with you.

  • Competitive Price
  • Sample 3-7 Days
  • Mass Order 20-30 Days
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