Automotive & EV CNC Machining Parts Supplier for OEM and Tier 1

High precision CNC machining parts including EV motor housings, transmission gears, and engine components — built for performance, durability, and scalable production.

OEM & Tier 1 project experience
±0.005mm precision capability
IATF-style quality control process
Prototype to mass production

Application Fields	Specific Application Scenarios	Technical Features/Applications
CNC machine tools and automation equipment	Guide shafts, machine tool spindles, drive shafts	It is used for X/Y/Z-axis control to realize high-precision linear motion; the spindle is used for high-speed cutting, drilling, etc. to ensure machining accuracy and stability.
Automobile manufacturing	Engine shafts (crankshafts), transmission shafts, lightweight axles, suspension system shafts	Enhance power transmission efficiency; lightweight axles are used for hazardous chemical transportation to optimize safety and load-carrying capacity.
Aerospace	Titanium guide shafts, turbine shafts, aircraft engine shafts, wing/tail support shafts	Adapt to extreme environments (high temperature, high pressure) to meet the needs of high strength and light weight; precision machining of titanium alloy parts with complex shapes.
Medical equipment	Endoscope lens shafts, precision shafts for surgical instruments, biocompatible shafts	Micron-level processing accuracy to ensure a sterile environment; materials need to meet biocompatibility requirements.
Heavy machinery and energy	Mining machinery shafts, metallurgical equipment shafts, wind turbine spindles, hydraulic system shafts	High load capacity and abrasion resistance; adaptable to harsh working conditions (e.g. high temperature, dust).
Woodworking	Universal coupling shafts, hot press drive shafts, sander drive shafts	High-temperature and corrosion-resistant design, adapting to high dust environment; absorbing shock and vibration, guaranteeing the continuity of the production line.
3D Printing and Mold Making	Engraving and milling spindles, hollow shafts, eccentric shafts	High-speed, high-precision machining of complex molds; hollow shafts for internal cooling or cable routing.
Electronics & Appliances	White goods drive shafts (e.g. washing machine motor shafts), precision instrument shafts	Lightweight design (e.g. aluminum alloy); low-friction surface treatment to enhance durability.
Transportation and Logistics	Trailer axle, port transportation rigid suspension axle, air suspension disc brake axle	Modular design for quick replacement; high load capacity to adapt to complex road conditions.
Oil and gas	Drilling equipment shafts, pipe conveyor shafts	Corrosion-resistant materials (e.g. stainless steel); adapted to high-pressure, high-impact working conditions.
Shaft Keywords	Eccentric shafts, crankshafts, camshafts, cams, conjugate cams, cylindrical cams, eccentric parts, eccentric bushings, engine crankshafts, compressor crankshafts motorcycle crankshafts, rotor engine crankshafts, screws, threaded cams, groove cams, end cams, parallel cams, roller gear cams, traversing cams, feed cams, conjugate cams, eccentric cams, spline shafts, gear shafts, spline bushings, involute spline shafts, rectangular Spline shafts, ground spline shafts, large spline shafts, heavy-duty spline shafts, spline drive shafts, spindle shafts, ISO spindle shafts, HSK spindle shafts, drive shafts, long shafts, motor shafts, rotor shafts, stator shafts, threaded shafts, shaft cores, shaft shaft cores, spindles, rotary shafts, step shafts, centers

Challenges in Automotive CNC Machining We Solve

Tight tolerances in high-speed rotating parts
Thermal deformation in EV motor housings
Gear precision and noise control requirements
Surface treatment durability under harsh environments
Stable quality across high-volume production

We understand automotive requirements are not just about precision — but long-term reliability and consistency.

Our Automotive CNC Machining Capabilities

1. EV Motor Housing Machining

Aluminum alloy housings
High concentricity & thermal stability
Lightweight optimization

2. Transmission Gear CNC Machining

Hardened steel gears
Precision grinding
Low noise performance

3. Engine Components Machining

Cylinder components
Shaft & rotating parts
Heat-resistant alloys

4. Structural Automotive Parts

Brackets & housings
Custom metal components
High strength & fatigue resistance

Advanced CNC Machining Capabilities

3-axis / 4-axis / 5-axis CNC machining
CNC turning & milling combined machining
Gear hobbing and precision grinding
Surface treatment: anodizing, plating, coating
Materials: Aluminum, Stainless Steel, Alloy Steel, Titanium

We optimize machining strategy based on part function, not just geometry.

Quality Assurance for Automotive Standards

Full inspection process (IQC, IPQC, FQC)
CMM and precision measuring equipment
Material traceability
Batch consistency control
PPAP / FAI support

👉 Every part is traceable, measurable, and repeatable.

Applications in Automotive & EV Industry

Electric vehicles (EV power systems)
Transmission systems
Engine systems
Battery housing structures
Autonomous driving hardware components

Why Choose Us as Your CNC Machining Partner

20+ years machining experience
Engineering support from DFM to production
Fast prototype turnaround
Stable mass production capability
Responsive communication

👉 We are not just a supplier — we are your long-term manufacturing partner.

Simple & Efficient Cooperation Process

Send drawings / RFQ
DFM feedback & quotation
Prototype machining
Testing & validation
Mass production
Delivery & support

Proven Experience with Global Automotive Projects

EV Motor Housing Project (Thermal Optimization)
Gear Project (Noise Reduction)
Case Study on Stability in Mass Production

Start Your Automotive CNC Project Today

Upload your drawings and get fast engineering feedback and quotation.

Get Quote Now
Contact Engineering Team

Contact Us

FREQUENTLY ASKED QUESTIONS

Dear Customer,
Thank you for contacting China Di Xin Technology regarding your customized production project! 🌟
In order to provide you with the most accurate quote within 24 hours, please provide the following details:
1、 Technical Documents:
2D Drawings (PDF/DWG/DXF)
3D Models (STEP/IGES/SOLIDWORKS)
(This ensures that we are fully aware of your specifications)
2、Ordering Quantity:
Estimated Units Required (for material and process optimization)
3、 Contact Info: Preferred email address
WhatsApp/Telegram (optional for faster communication)
Why work with us?
✅ Over 20 years of experience in precision machining and OEM solutions
✅ ISO 9001 certified facility with over 100 CNC machines
✅ Tooling Design & Engineering - Die Casting, Stamping, and Injection Molds
✅ Includes free DFM (Design for Manufacturing) analysis

Need design help?
Our engineering team is ready to help! Simply reply "I need design support"
We aim to send an official quote within 24 hours of receiving complete information.
We look forward to bringing your concept to life!
Customized Solutions Manager

CONTACT US

Phone: +0086 186 651 17189
Email: suyunqi@dixinjishu.com

Address: No.2, Heng 1st Road, Jiatian Dongguan City, Guangdong, China

Do you have questions about how we can help your company?
Send us an email and we’ll get in touch shortly.