At Davantech we are the perfect company for outsourcing precision CNC machining to China. We deliver precision CNC machined parts from our ISO 9001:2015 certified factory in Dongguan, China.
You get tight tolerances, stable quality, fast lead times and competitive pricing.
Why Outsourcing Precision CNC Machining to China?
What Davantech Offers
Nowadays, more companies are outsourcing precision CNC machining to China at competitive prices. As a matter of fact, Chinese precision machining shops offer great quality at lower costs than their American and European counterparts for milling, turning, and prototyping. Davantech is among the top 10 CNC machining factories in China, based in Dongguan and we’re different from typical manufacturers here. Why? Because we were founded (and are still run) by a Belgian owner with decades of European engineering experience. To clarify, our machining services don’t just meet Western standards, they often beat them. Let me explain how we maintain world-class quality while keeping costs competitive, making us a trusted partner for businesses across Europe, North America, and beyond.
- 60+ CNC machines (3-axis, 4-axis, turning centers, wire cutting).
- Tolerances: ±0.01 mm for milled parts, ±0.005 mm for turned shafts.
- Materials: Aluminum, stainless steel, steel, brass, copper, POM, PC-ABS.
- Quantities: Prototypes → Series production.
- Surface finishes: Sandblasting, anodizing, polishing, powder-coating, NIC plating.
- In-house quality control with CMM, height gauges, surface testers.
- China offers 20–50% lower machining cost for aluminum and steel parts.
- CNC factories operate 24/7 reducing lead time for large orders.
Download our CNC machining capabilities overview here.
Comparing CNC machining cost and lead time per region:
| Region | Typical CNC Price per Hour | Avg. Lead Time | Notes |
| China | $18–$35/hour | 5–15 days | Most cost-effective |
| USA | $75–$120/hour | 10–30 days | High labor cost |
| Europe | €60–€100/hour | 10–25 days | Stable quality |
What Davantech means for you:
✔ No language barrier – We “speak” Western technical requirements fluently
✔ Best of both worlds – Western quality standards with Chinese manufacturing efficiency
✔ Smoother projects – Clear communication = fewer problems = better results
✔ No nonsense – You will get what we agreed.
If there is a problem, we will solve it We make it simple: You get top-quality custom machined parts at competitive prices without the usual challenges of working with China.
How We Work
- Send your 3D STEP file
- Engineering review (DFM)
- Quotation
- Prototype or first article
- Production
- QC + packaging + shipping
Milling & Turning Explained Briefly
CNC (Computer Numerical Control) machining is a subtractive manufacturing process where a computer-controlled machine removes material (chips) from a workpiece to create precise custom machined parts. The two most common types are Milling and Turning.
1. CNC Milling
- Process: when CNC milling, a rotating cutting tool (end mill) moves along multiple axes (usually 3 to 5) to cut and shape a stationary workpiece.
- Key Features:
- Can produce complex shapes (slots, holes, contours).
- Works with metals (aluminum, steel), plastics, and composites.
- Common in aerospace, automotive, and prototyping.
- Example Uses: Engine blocks, brackets, molds, electronic enclosures, front panels, machine parts
2. CNC Turning
- Process: when CNC turning, the workpiece rotates while a stationary cutting tool removes material (typically for cylindrical parts).
- Key Features:
- Faster for round/symmetrical parts (shafts, bushings).
- Often done on a lathe.
- Simpler than milling but less versatile for complex geometries.
- Example Uses: Bolts, screws, pulleys, rods, spindles
Key Differences
| Feature | CNC Milling | CNC Turning |
| Workpiece Movement | Stationary | Rotates |
| Tool Movement | Moves in multiple axes | Mostly linear |
| Best For | Complex 3D shapes | Cylindrical parts |
Summary:
- Milling = Moving cutter, stationary workpiece (for complex geometries).
- Turning = Rotating workpiece, stationary or moving tool (for round parts).
Both are essential in manufacturing for high-precision metal and plastic parts. Need more details on a specific aspect?
CNC Machining Cost Examples in China
Below are real examples based on Davantech’s production data.
Example 1: Aluminum 6061 Small Enclosure
- Size: 70 × 35 × 25 mm
- Process: 3-axis milling
- Qty: 200 pcs
- Price in China: $4.10/pc
- Typical USA price: $9–12/pc
Example 2: Stainless Steel 304 Coupling
- Process: Turning + threading
- Qty: 500 pcs
- Price in China: $1.90/pc
- Typical Europe price: €4–6/pc
Example 3: PA6 Plastic Mounting Block
- Process: Milling
- Qty: 1000 pcs
- Price in China: $3.5/pc
- Typical Europe price: €7–10/pc
Summary:
| Part | Qty | China Price | Western Price |
| Aluminum bracket | 200 pcs | $4.10 | $9–12 |
| Stainless shaft | 500 pcs | $1.90 | €4–6 |
| POM cover | 1000 pcs | $3.5 | €7-10 |
Our CNC Machinery
High-quality machining starts with precision equipment. Therefore, Davantech continuously invests in state-of-the-art CNC machines, including:
- More than 65 CNC milling machines 3-axis and 4-axis
- Milling machines with capacity to mill parts up to 1.8 meters long
- CNC lathes with live tooling
- Multi-spindle screw machines
- EDM and wire-cut machines
These machines are operated by skilled technicians and regularly maintained to ensure peak performance. In other words, our advanced capabilities allow us to handle complex geometries, tight tolerances, low and high-volume production with ease and accuracy.
Engineering and Design Support (DFM)
Many clients recognize Davantech as a trustworthy partner, not only for CNC machining in China, but also for our engineering support. In other words, Our team reviews your 2D drawings and 3D models, offering Design for Manufacturability (DFM) feedback to:
- Improve part performance
- Reduce production costs
- Optimize tooling and machining strategies
We work with engineering files in STEP, IGES, DXF, and other formats. This technical support helps prevent costly mistakes and ensures faster turnaround times.
On-Time Delivery and Global Logistics Support
Meeting deadlines when offering CNC machining services is just as important as meeting quality standards. As a result, Davantech has a proven track record of on-time delivery, supported by our:
- Flexible production planning
- Reliable supply chain network
- Experience with global shipping and export documentation
We ship products worldwide via air, sea, or courier, using protective packaging to ensure parts arrive safe, clean, and damage-free.
FAQ: Outsourcing Precision CNC Machining to China
Thinking about moving prototypes or batch production to China? Below are practical answers on benefits, risks, lead times, IP, and how to set up a smooth, low-risk engagement.
Why outsource CNC machining to China at all?
You can combine cost efficiency, broad capacity (3/4/5-axis, turning, finishing), and speed on prototypes and small/medium batches. The ecosystem (materials, tooling, finishing houses) reduces lead time and coordination effort.
What’s the biggest benefit beyond price?
Availability and flexibility. Shops can spin up capacity quickly, source finishes locally, and handle assemblies—so you get a single vendor for parts + finishing + basic assembly/testing.
What are the main risks and how do I reduce them?
Typical risks: quality drift, IP mishandling, schedule slips around holidays, and miscommunication. Mitigate with clear drawings/GD&T, a DFM review, FAI/CMM, defined sampling (AQL), an audit checklist, and a named project owner on both sides. Good and regular communication is key.
How do I protect IP when working with China-based suppliers?
Use a mutual NDA, limit file access to the project team, watermark/share only what’s needed, and consider split builds (e.g., critical sub-steps in-house or with a second vendor). Keep sensitive specs out of marketing samples.
What Incoterms should I use?
Most buyers start with EXW/FOB for control and cost visibility; DAP/DDP is convenient if you prefer the supplier to manage shipping and customs. Choose based on your brokerage setup and urgency.
How do lead times compare to domestic sourcing?
Prototypes typically 5–10 working days after PO; small/medium batches 2–4 weeks depending on finishes and inspection depth. Add shipping: express air is fastest; ocean is cheapest for larger volumes.
How do I ensure stable quality over multiple orders?
Lock down FAI for Rev A, agree control plans for CTQs, keep approved samples/golden parts, require calibration traceability, and run periodic requalification or on-site audits.
Can Chinese suppliers really meet tight tolerances?
Yes. ±0.02–0.05 mm is typical on well-controlled features; ±0.01 mm is feasible on selected features with proper fixturing and CMM verification. Specify where tight tolerances matter and why.
How do I handle finishes (anodize, passivation, plating) without surprises?
Call out the spec, color/gloss, allowed witness marks, and masking. Remember coatings add thickness—ream or mask tight bores. Request thickness/adhesion or hardness certs.
Will language/time-zone differences slow projects?
They can, unless you set a single communication channel, consolidate questions once daily, and define response SLAs. Use drawings with balloons/CTQs, screenshots, and short videos to prevent misunderstandings.
Are there hidden costs when outsourcing to China?
Common misses: shipping, duties, brokerage, bank fees, remake freight, and engineering time for revisions. Ask for a landed-cost view and clarify who pays for rework/expedite if issues appear.
How do Chinese holidays affect schedules?
Chinese New Year (moveable, Jan/Feb) and Golden Week (early Oct) reduce capacity/logistics. Plan buffers, pull materials early, and book finishing/inspection before the peak closures.
What payment terms are typical?
For new customers, 30–50% deposit / balance before shipment is common. With history, you can negotiate net terms. Use bank transfers to company accounts that match the legal entity on the invoice.
How should I choose a supplier—directory scores or audits?
Treat directories as a starting list. Prioritize vendors that publish equipment lists, CMM, ISO scope covering machining, and recent photos/videos. Then use a structured audit checklist (ISO-aligned) and a sample build before awarding production.
How do I brief the first job to avoid rework?
Provide STEP + PDF (with GD&T), quantities (proto/MP), material/temper, finish, CTQs, inspection depth (FAI/CMM/AQL), packaging/export notes, and your must-hit dates. Invite DFM feedback before PO.
Can suppliers also assemble and test?
Yes. Davantech can add threaded inserts, cable/connector overmolding, and electro-mechanical assembly. Share BOM, torque/adhesive specs, and a test plan upfront.
What about compliance and standards?
Ensure the shop runs ISO 9001:2015 and aligns to ISO 2768 (general tolerances), ISO 1101/ASME Y14.5 (GD&T), and finish standards (e.g., ASTM A967 for stainless passivation). Ask to see the scope and expiry of the ISO certificate.
When does it make sense to keep machining at home?
Very low volume with rapid back-and-forth changes, parts with national-security restrictions, or projects requiring on-site collaboration within hours. For everything else, China can be faster/cheaper once the spec is stable.