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Call For Us: +86-13929487727
High-Precision CNC Manufacturing for Automotive, Motorcycle, Bicycle, Robotics, Industrial Equipment and Custom Mechanical Applications. From Prototype to Mass Production with ±0.005mm Tolerance.
Item |
Capability |
Manufacturing Process |
CNC Turning / CNC Milling / Turn-Mill |
CNC Milling |
3 Axis / 4 Axis / 5 Axis |
Tolerance |
±0.005mm |
Surface Roughness |
Ra0.4 |
Material |
Aluminum, Steel, Stainless Steel, Titanium, Brass, Copper |
MOQ |
1 Piece |
Drawing Format |
STEP, STP, IGS, X_T, DXF, DWG, PDF |
Sample Lead Time |
3-7 Days |
Production Lead Time |
7-25 Days |
Quality Control |
CMM, Height Gauge, Micrometer, Caliper |
Surface Treatment |
Anodizing, Powder Coating, Plating, Polishing |

Dongguan Yuanji Technology specializes in custom CNC turning and milling services for complex metal components requiring exceptional dimensional accuracy, superior surface finish, and consistent production quality.
Our advanced 3-axis, 4-axis, and 5-axis machining centers combined with precision CNC turning equipment enable us to manufacture highly complex parts such as suspension components, drivetrain parts, brackets, housings, flanges, spacers, hubs, manifolds, and custom mechanical assemblies.
Whether you need a single prototype or high-volume production, our engineering team provides DFM support, material recommendations, and manufacturing optimization to reduce cost while maintaining performance and quality.
1.CNC Turning
CNC Turning is ideal for producing cylindrical and rotationally symmetrical components with high precision.
Typical Applications
Bushings
Shafts
Connectors
Spacers
Threaded Components
Precision Housings
Advantages
✔ High dimensional consistency
✔ Excellent concentricity
✔ Fast production speed
✔ Cost-effective for medium and high volume orders
2.CNC Milling
CNC Milling removes material using rotating cutting tools to create complex geometries.
Typical Applications
Brackets
Suspension Arms
Mounting Components
Automotive Parts
Motorcycle Accessories
Aerospace Components
Advantages
✔ Complex 3D geometries
✔ High precision machining
✔ Excellent surface finish
✔ Suitable for prototype and production
3.CNC Turn-Mill Combined Machining
Turn-Mill machining combines turning and milling operations in one setup.
Benefits
Reduced setup time
Higher precision
Improved efficiency
Lower production costs
Better geometric accuracy
Ideal for complex mechanical parts requiring multiple machining operations.
Lightweight Design
Optimized pocketing structures reduce weight while maintaining strength and rigidity.
Precision Machined Surfaces
High-quality tool paths deliver superior appearance and functionality.
Tight Tolerance Control
Critical dimensions maintained throughout the manufacturing process.
Durable Surface Treatment
Enhanced corrosion resistance and improved aesthetics.
Custom Manufacturing
100% OEM & ODM support according to customer drawings.
Supported formats:
STEP • STP • IGS • X_T • DWG • DXF • PDF
Get a Fast Quotation Within 24 Hours

Automotive
Suspension Components
Wheel Hub Components
Intake Manifolds
Turbo Components
Brackets & Mounts
Motorcycle
Foot Pegs
Triple Clamps
Brake Components
Sprocket Carriers
Performance Accessories
Bicycle
Cranksets
Chainrings
Hub Components
Pedal Components
Robotics & Automation
Structural Components
Sensor Mounts
Motion System Parts
Precision Assemblies
Industrial Equipment
Fixture Components
Machine Parts
Automation Components
Mechanical Assemblies


A: Yes, we are factory in Guangdong, China.
A:
Machining is 3-7 days for sample, 15-20 days for batch according to quantity;
Molding is 25 days for sample, 15-20 days for bulk.
A: Yes, we can, it need the sample fee, but can be refunded when place bulk order.
A: We offer flexible payment methods including bank transfer (TT), PayPal, Western Union, and Letters of Credit to facilitate secure global transactions. 30%-50% in advance, pay balance before shipping.
A: Yes, we can accommodate custom logos and packaging designs based on order quantities. Please discuss your specific needs with our sales team.
A: Yes, we support OEM/ODM customization based on your technical drawings, 2D/(PDF/CAD)3D(IGES/STEP).
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