Custom CNC Machining: Your 5-Step Guide to OEM/ODM Success with Dahong Precision
Looking for custom CNC machining services that deliver precision, speed, and reliability? At Dahong Precision, we specialize in small-batch, non-standard CNC parts with a fast and streamlined process that ensures every component meets your exact specifications. Whether you're a startup, an R&D engineer, or a global manufacturer, our OEM/ODM CNC services are tailored to your needs.
0.005
Tight
Tolerance
1 Day
Fast
Lead Time
9+
Specialized in customizing
precision parts
that's our services
Let us walk you through our 5-step process to transform your design into high-quality custom parts
Upload Design Files (2D/3D)
Start by sending us your technical drawings in 2D or 3D CAD formats. Include your part specifications such as:
Material type (e.g., aluminum, PEEK, Delrin)
No minimum order quantity - we accept samples, prototypes, or small batches
Tolerances and surface finishes
Our engineering team will analyze the design for manufacturability and provide professional feedback. This makes it easy for clients seeking CNC prototyping services or on-demand low-volume machining to move forward without delay.
Quotation and Design Analysis (3–12 Hours)
Within just 3 to 12 hours, you'll receive:
A detailed quotation based on your design and specs
Suggestions for cost optimization (e.g., material substitutes or geometric changes)
Confirmation of production feasibility
For companies sourcing CNC machining for plastic and metal parts, this fast response helps speed up product development and decision-making.
Confirm Order and Production Starts
Once the quote is approved, we:
Begin production using advanced CNC milling and turning machines
Apply ISO-level quality control standards
Monitor every stage with in-process inspections and final dimension reports
From simple bushings to complex, tight-tolerance geometries, our precision CNC machining service ensures consistency from batch to batch.
Receive Your Custom Parts (Worldwide Shipping)
Your custom CNC parts will be:
Delivered quickly via trusted carriers (UPS, DHL, FedEx, OCS)
Packaged with care and precision
Shipped globally - no matter where your factory is located
If you're seeking rapid CNC machining with international delivery, our logistics and production efficiency give you a competitive edge.
Win-Win Cooperation and Feedback
After you receive the parts:
We encourage feedback on fit, finish, and function
Adjustments can be made for future orders
Our team is ready for ongoing collaboration and project scaling
We aim for long-term partnerships - not just one-time orders. Many of our clients in industries like Automation industry ,Medical industry,Automotive Industry,Semi-conductor Industry, and Food & Packing Industry rely on us as their long-term CNC supplier.
Why choose Dahong Precision?
Frequently Asked Questions
What types of surface finishes are available for precision machined parts?
A wide variety of surface finishes are available to enhance both the appearance and functionality of precision machined components. These include:
- Anodizing (Type II & III)
- Powder Coating
- Bead Blasting
- Electroplating (e.g., Nickel, Chrome, Zinc)
- Brushing & Polishing
- Black Oxide
- Passivation
- Custom Finishing
What Materials Can Be Machined with CNC?
CNCmachining is highly versatile and capable of processing a wide range of materials. These include:
1. Metals
- Aluminum
- Stainless Steel
- Steel (Mild, Tool Steel, Alloy Steel)
- Brass
- Copper
- Titanium
- Magnesium, Zinc, Inconel, and other specialty alloys
2. Plastics
- POM
- Nylon
- PTFE (Teflon)
- PEEK
- ABS, PC, PVC, PMMA (Acrylic), UHMWPE
3. Composites & Others
- Carbon Fiber Sheets
- Fiberglass Laminates
- Ceramics (with specialized tools and machines)
What Services Can We Provide?
We offer a comprehensive range of precision manufacturing and value-added services tailored to meet diverse industry needs. Our core capabilities include:
1.CNC Machining Services
- CNC Milling (3, 4, 5-axis)
- CNC Turning
- Multi-axis Machining
- EDM-Wire Cutting
- Laser Cutting
- Precision Grinding
2. Custom Part Manufacturing
- Non-standard & Complex Parts
- Prototyping & Small Batch Production
What Tolerances Can Be Achieved?
1. CNC Machining (Milling & Turning)
- Standard Tolerance: ±0.05 mm (±0.002 in)
- Tight Tolerance: ±0.01 mm (±0.0004 in)
- Ultra-Precision (Upon Request): ±0.005 mm (±0.0002 in) , depending on geometry and material.
2. Hole Diameter / Boring / Reaming
- Standard: ±0.02 mm (±0.0008 in)
- High Precision Fit (e.g. H7, H6 tolerance zones):
- Custom Tolerances: Available based on fit requirement (e.g. press-fit, slip-fit)
3. Surface Finish
- Typical Roughness (Ra):
- Milled: Ra 3.2–1.6 µm
- Turned: Ra 1.6–0.8 µm
- Polished/ground: Ra 0.4 µm or finer (upon request)
How soon can I receive a quote?
What is the typical lead time for receiving my parts?
- Rapid Prototyping: 3–5 business days
- Low-volume Production (≤100 pcs): 5–10 business days
- Mass Production: 10–20 business days or based on order requirements
- Expedited Service: Available upon request (as fast as 1–3 days)
What type of drawing files are required for quoting?
- 3D CAD Files: STL, SLDPRT, STEP (.stp), or IGES (.igs)
- 2D Drawings: PDF or DWG format with complete reference dimensions and tolerance specifications
Providing both 3D and 2D files helps us better understand your design intent and ensures the highest accuracy in pricing and production planning.
How is the quality of my parts ensured?
- Raw material inspection
- In-process inspection
- Final inspection
- Outgoing inspection
What after-sales service do you offer for unsatisfactory parts?