CNC Milling Services — Precision Parts, Fast Turnaround
One supplier. From raw material to finished part —
in-house machining, quality inspection, and direct delivery, no middlemen.
±0.005 mm
Machining tolerance
3–5 Days
Sample turnaround
3 Factories
CNC · Mold · Electronics
10+ Materials
Al · Steel · Ti · Plastics
Our CNC Milling Capabilities
Not all parts are suited to the same machining process—applying the same setup to a simple bracket and a complex, multi-curved profile would only result in unnecessary costs and risks. As soon as we receive the drawings, we match the part’s geometric features with the most appropriate number of axes, thereby reducing the number of set-ups from the outset, minimising cumulative errors, and ensuring the part meets standards right from the first-piece inspection.
From 3-axis milling to 5-axis machining, all programming, fixture fabrication and post-processing are carried out in-house. We do not rely on outsourcing at any stage, ensuring quality control and transparent progress.
Ideal for prismatic parts with features on flat or parallel surfaces. High throughput, cost-efficient, and the right choice when geometry doesn't demand more complex setups.
Adds rotational indexing for parts that require features on multiple sides or wrapped around a cylindrical body — fewer setups, better positional consistency.
Full simultaneous 5-axis motion for complex contoured surfaces, deep undercuts, and tight-tolerance aerospace or medical geometries — all in a single clamping.
Machinable Materials
Metals
- Aluminum 6061 / 7075
- Stainless 304 / 316
- Titanium Ti-6Al-4V
- Carbon Steel
- Copper / Brass
Engineering Plastics
- PEEK
- Delrin (POM)
- Nylon PA6 / PA66
- PTFE
- ABS
Post-Processing Options
- Anodizing (Type II / III)
- Sandblasting
- Heat Treatment
- Black Oxide
- Laser Engraving
- Electroplating
- Powder Coating
- Passivation
- Brushing / Polishing
- Thread Tapping
Unsure which process is best for your part? Upload your drawings, and our engineers will evaluate the optimal machining solution for you free of charge, providing feedback within 24 hours.
CNC Milling Manufacturing Capability – Every Specification is Verifiable
The precision of our CNC milling processes is not based on empirical estimates, but is guaranteed by a combination of machine positioning accuracy, fixture rigidity and in-process measurement.
Whether your project is in the rapid prototyping phase or requires consistent batch production, we can provide the appropriate tolerance grades and comprehensive dimensional inspection reports, ensuring that the quality of every batch of parts is verifiable and traceable.
±0.1 mm
Standard Tolerance
Suitable for exterior parts and non-mating surface structural parts, prioritizing processing efficiency and cost while meeting the dimensional requirements of general industrial parts.
±0.02 mm
Precision Tolerance
It covers the vast majority of functional parts with matching requirements and is suitable for precision customized CNC machining scenarios such as electronic structural parts, robot joints and battery modules.
±0.005 mm
Ultra Precision
For high-end applications such as medical devices, semiconductor fixtures and mould cores, we combine five-axis machining with full-dimension CMM inspection to ensure consistent delivery to micron-level tolerances.
Machine tool processing parameters
Surface quality and standards
Ra 3.2 μm
Ra 0.8 μm
Ra 0.2 μm
ISO 2768 / GD&T
ISO 9001 · CMM
Full dimensions · Traceable
Quality Inspection Process
First-piece inspection
Prior to production, the first piece undergoes 100% dimensional inspection using a CMM (coordinate measuring machine)
Process Inspection
Random checks of critical dimensions are carried out at regular intervals during mass production, with real-time alerts issued in the event of anomalies
Outgoing Inspection
A final inspection of dimensions and appearance is carried out prior to the dispatch of each batch, and the results are recorded and filed.
Accompanying Report
A comprehensive dimensional inspection report is provided to support customer audits and quality traceability
What tolerance grade do your parts require? Send us your drawings and our engineers will provide a free DFM analysis report within 24 hours, clearly indicating the achievable accuracy range.
Working On The Shop Floor To Solve Real-World Manufacturing Challenges
Requirements for CNC-machined parts vary significantly across different industries—with differing tolerance grades, material properties, compliance standards and delivery schedules. We have long served the following core industries, accumulating targeted process solutions and quality control expertise that enable us to respond swiftly to all kinds of bespoke requirements.
Automotive parts must precisely mate with dozens of mating components on the assembly line. Any dimensional deviation can directly cause rework, line stoppage, or even product recalls. New vehicle development cycles are increasingly compressed, requiring suppliers to deliver small-batch validation parts quickly while smoothly transitioning to mass production.
Through first article full inspection + in-process SPC control, we ensure critical mating dimensions achieve Cpk ≥ 1.33. Sample parts can be delivered in 3–5 days, with seamless transition to mass production and complete batch traceability records.
The automotive parts we machine must withstand continuous vibration, thermal cycling, and mechanical loads. We also provide professional advice on material selection and surface treatment to ensure parts perform reliably throughout the vehicle's service life.
Medical device components are directly related to patient safety. Any dimensional deviation or surface defect may cause serious consequences. Regulatory bodies have strict requirements for material traceability, processing records, and cleanliness. The supplier's document management capability is as important as part quality.
We use medical-grade materials (Ti-6Al-4V, 316L, PEEK) and provide complete material traceability certificates. Clean processing environment, strict deburring and cleaning procedures ensure compliance with ISO 13485 quality management requirements.
From first article submission to batch delivery, every step retains verifiable processing and inspection records to help customers pass internal and external audits smoothly.
Consumer electronics and semiconductor equipment have stringent requirements on parts for dimensional consistency, heat dissipation performance, and electromagnetic shielding effectiveness. With fast product iteration cycles, suppliers must complete the entire process from design changes to sample validation in a very short time.
With our own mold factory and electronics factory collaboration capabilities, we complete CNC machining, structural injection molding, and PCBA assembly within the same supplier system, eliminating dimensional deviations and communication losses caused by multi-factory coordination.
For the ultra-high precision requirements of semiconductor equipment parts, we provide five-axis simultaneous machining and CMM full inspection solutions to ensure the repeat positioning accuracy of precision components such as wafer fixtures and alignment bases reaches micron level.
The robotics and energy storage industries are in a period of rapid technological iteration. Traditional manufacturers struggle to respond quickly while maintaining precision. Joint components, battery housings and other parts require a precise balance between lightweight design and strength, placing high comprehensive demands on processing technology.
We offer flexible capacity from single-piece prototyping to thousand-piece mass production, supporting rapid DFM iteration. For battery housings, we provide an integrated solution of aluminum alloy precision milling + air tightness testing.
Small batches without lowering standards, mass production without extended lead times. We provide manufacturing support matched to project progress at every stage.
More Than Just a Contract Manufacturer—Your Manufacturing Partner
Choosing a supplier essentially means selecting a partner who can shoulder risks and share the burden. We don’t just deliver parts; we also provide engineering insights at every project milestone, proactively identify potential risks, and help you make better manufacturing decisions.
Most part rejections stem from manufacturability issues overlooked at the design stage. We proactively issue a DFM report before accepting your order — flagging potential machining conflicts, tolerance issues, and material risks — eliminating problems before the first chip is cut, not after a failed first article.
We refuse black-box production. From order confirmation to final shipment, every key milestone is proactively updated. Inspection data and CMM reports ship with every batch. Any anomaly is reported immediately — you never have to chase us for answers. That's our baseline commitment to every long-term partnership.
Waiting 3 days for a quote or a week for DFM feedback is the industry norm — but not our pace. Quotes returned within 24 hours, DFM analysis included at no extra charge. While your competitors are still waiting on their suppliers, you're already validating samples.
| Criteria | Typical Machining Shop | Dimud |
|---|---|---|
| DFM Analysis | ❌ Not offered or charged separately | ✓ Free with every quote |
| Issue Handling | Waits for client to follow up | ✓ Proactively notified the moment it's found |
| Post-Processing | Outsourced to third parties | ✓ Completed in-house, same facility |
| Inspection Report | Spot-check only / no report | ✓ Full dimensional report included every batch |
| Minimum Order | MOQ restrictions apply | ✓ No minimum order quantity |
Many shops are attentive on small orders but cut corners at volume. Our commitment: whether it's 1 prototype or 10,000 production parts, the process specs, inspection workflow, and lead time promise remain identical — because we treat every order as the beginning of a long-term relationship.
Common Questions and Answers about CNC Milling
We accept standard CAD formats including STEP, STP, IGES, X_T, and STL. STEP files are preferred for accuracy and compatibility in manufacturing.
Lead time depends on part complexity and quantity. Prototypes are typically completed within 3–7 days, while production orders may take 1–3 weeks.
Yes, we specialize in multi-axis CNC milling, allowing us to produce complex geometries, undercuts, and intricate features with high precision.
There is no strict MOQ. We support everything from single prototypes to full-scale production runs.
We implement standardized process controls, detailed work instructions, and batch inspection protocols to ensure repeatability and consistent quality.
Yes, we can source and machine customer-specified materials as long as they meet machinability and application requirements.
Yes, we can integrate CNC milling with secondary processes and assembly services to deliver fully finished components.
We maintain flexible production workflows and can quickly adapt to design revisions, with engineering support to assess feasibility and impact.
Industries such as aerospace, medical devices, automotive, and electronics commonly require high-precision CNC milling for critical components.
All customer data is handled under strict confidentiality. NDAs can be signed upon request, and files are securely managed throughout the project lifecycle.