Custom CNC Machining Manufacturer In China
At our company, we offer custom machining solutions intended for your unique requirements. With our high-tech, advanced CNC machines, we can deliver parts with exceptional accuracy, tight tolerances, and fast turnaround times; as little as 3 days. We employ the latest CNC Milling, Turning, and Swiss Machining to design strict measurements and designs. Our solutions comply to ISO certification, and meet all industry standards.
- Fast Turnaround, get your custom parts in less than 3 days.
- Wide Tolerance Range, achieve tight tolerances from ±0.001″ to ±0.0001″.
- Get ISO 9001:2015, AS9100, and ITAR compliant.
- Over 2,000,000 Parts Machined
- Inspection Processes like CMM, FAIR, XRF Analysis, and Free DFM analysis.

CNC Machining Services for Custom Parts
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Custom CNC Milling
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Custom CNC Turning
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CNC Machining Metal Materials
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Aluminum
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Steel
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Stainless Steel
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Brass
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Copper
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Titanium
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days
CNC Machining Plastic Materials
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ABS
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Steel
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Stainless Steel
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Brass
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Copper
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days

Titanium
Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
- Color: Silver
- Subtypes: Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
- Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
- Price: $$
- Lead Time: ABout 5 business days
CNC Machining Surface Finishes
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As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

As Machined
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.
Tolerances for CNC Machining
Our CNC machines operate with precision tolerances that meet industry standards, ensuring that every part is consistently accurate and fits perfectly with other components.
Description | |
---|---|
General Tolerances | Metals : ISO 2768-m Plastics : ISO 2768-c |
Precision Tolerances | RapidDirect can manufacture and inspect parts with strict tolerances according to your drawing specifications and GD&T annotations, including tolerances tighter than +/- 0.001 inches. |
Min Wall Thickness | 0.5mm |
Min End Mill Size | 0.5mm |
Min Drill Size | 1mm |
Maximum Part Size | CNC Milling: 4000×1500×600 mm CNC Turning: 200×500 mm |
Minimum Part Size | CNC Milling: 5×5 ×5 mm CNC Turning: 2×2 mm |
Production Volume | Prototoyping: 1-100 pcs Low volume: 101-10,000 pcs High volume: Above 10,001 pcs |
Lead Time | 5 bussiness days for most projects. Delivery of simple parts can be as fast as 1 day. |
Design Guidelines for CNC Machining
Optimize your designs for manufacturability with our helpful guidelines. Our experts provide feedback on your custom machined part for the best results in CNC machining.
Description | |
---|---|
Radii | In CNC machining, sharp internal corners on a workpiece will naturally form rounded corners (radii). The depth must not exceed 12 times the diameter of the drill. For end mills, the depth must not exceed 10 times the diameter of the tool. |
Threads and Tapped Holes | Diameter Φ 1.5-5 mm, depth: 3 times the diameter. Diameter Φ 5 mm or larger, depth: 4-6 times the diameter. RapidDirect can produce threads of any specification and size as required by the customer. |
Undercuts | Square profiles, full radius, dovetail profiles. |
Text | CNC Milling: Minimum width of 0.5 mm and depth of 0.1 mm. CNC Turning: RapidDirect can use laser marking to create standard text for CNC turned parts. RapidDirect can create standard text via CNC engraving or laser engraving as per customer requirements. |
Your Custom CNC Machining Supplier In China

At Celerity Precision, we recognize that producing high-quality parts is essential to your success. Our CNC machining experts are committed to delivering precision, efficiency, and consistent quality at every step of the production process.
We uphold a comprehensive quality control and assurance system throughout each phase of CNC machining, whether your project requires simple or complex components in small or large quantities. Every part implement strict inspection using advanced equipment such as CMM, two-dimensional measuring tools, XRF analyzers, gauges, micrometers, and calipers.
- 20+ inspection equipment
- 30+ quality engineers
- ISO 9001:2015, ISO 13485, ISO 14001, and IATF 16949
CNC Machining Solutions
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Rapid Prototyping
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

Low Volume Manufacturing
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

End-use Production
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.
CNC Machining for Various Industries
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Aerospace and Aviation
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

Aerospace and Aviation
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

Aerospace and Aviation
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

Aerospace and Aviation
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

Aerospace and Aviation
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

Aerospace and Aviation
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

Aerospace and Aviation
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

Aerospace and Aviation
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.
CNC Machining FAQ
What are the applications of CNC machining?
CNC machining has a wide range of applications across industries.
- In the automotive and aerospace sectors, it is used to fabricate precise engine components, structural parts, and other intricate elements.
- The medical industry leverages CNC for manufacturing devices, implants, and surgical instruments.
- CNC is also crucial in electronics, enabling the production of electronic housings, circuit boards, and connectors.
- Machine tool makers rely on CNC to create complex molds, dies, and machine components. Additionally,
- CNC is valuable for general custom part production, prototyping, woodworking, and more, allowing for consistent quality and high precision.