Custom CNC Machining Services for Prototypes & Low-Volume Parts

Send a STEP, STP, IGES, PDF or DXF drawing for precision parts in metal or engineering plastics. An engineer reviews manufacturability, tolerances and inspection needs, then returns a clear quote within 24 hours.

  • 3, 4 and 5-axis CNC milling
  • CNC turning for metals and engineering plastics
  • DFM review, in-process checks and final inspection
Five-axis CNC machining of a precision aluminum component
Five-axis precision machining
Drawing ReviewRequirements checked first
DFM FeedbackRisks clarified before machining
In-process InspectionCritical features checked early
Final QCParts verified before shipment

Custom CNC Machining Services

Two core machining services for functional prototypes, precision components, and repeatable small-batch production.

Precision CNC milling service

Custom CNC Milling Services

Multi-axis milling for brackets, housings, plates, fixtures, and complex prismatic parts in metals and engineering plastics.

  • 3 / 4 / 5-Axis
  • Complex Geometry
  • Prototype to Batch
Explore CNC Milling
Precision CNC turning service

Precision CNC Turning Services

Controlled turning for shafts, pins, sleeves, threaded parts, bores, and cylindrical components requiring consistent fit.

  • Shafts & Sleeves
  • Threads & Bores
  • Small-Batch Supply
Explore CNC Turning
Production Path

From drawing review to inspected parts

A compact workflow for overseas engineers who need clear communication, controlled machining, and documented checks before shipment.

DFMBefore machining
QCDuring production
TraceBefore shipment
Engineering Approach

Reduce machining risk before it becomes a delivery problem

The most expensive CNC problems often begin with an unclear datum, an inaccessible feature, unstable wall thickness, or a finish requirement that is considered too late.

01 / Common Challenges

Geometry, tolerance, and consistency

Multi-face features, deep pockets, thin walls, small threads, tight fits, and cosmetic surfaces can compete with each other during machining and finishing.

  • Critical features across multiple setups
  • Deformation after heavy material removal
  • Thread, burr, and edge-quality requirements
  • Batch consistency after surface finishing
02 / Our Response

Datum-led process planning

We review functional relationships first, then plan setups, roughing and finishing order, inspection points, and surface protection around those relationships.

  • Confirm drawing version and critical-to-function features
  • Choose stable workholding and repeatable datums
  • Inspect risk features before the final operation
  • Recheck interfaces after secondary processing
Drawing ReviewDatum StrategyMachining SequenceInspection Plan
Process Explorer

A visible workflow from file to shipment

Select a stage to see what is controlled before the next operation begins.

Engineering drawing and CAD model review
Drawing Review

Confirm the manufacturing intent

We review the 3D model, 2D drawing, material, finish, quantity, critical dimensions, and application before setting the process route.

  • InputSTEP / STP / IGES / SLDPRT / PDF
  • ControlRevision, units, tolerance notes, finish callouts
  • OutputQuestions, DFM feedback, and quotation basis

Materials selected for performance and precision

From lightweight aluminum to durable steels and engineering plastics, every grade is reviewed against geometry, tolerance, finish, environment, quantity, and cost.

Aluminum stock and precision machined sample

Aluminum

6061 / 7075
Stainless steel stock and precision machined sample

Stainless Steel

303 / 304 / 316
Carbon steel stock and precision machined sample

Carbon Steel

1018 / 1045
Tool steel stock and precision machined sample

Tool Steel

D2 / H13
Brass stock and precision machined sample

Brass

C360
Copper stock and precision machined sample

Copper

C110
Engineering plastic stock and machined samples

Engineering Plastics

POM / Nylon / PEEK

Have a similar part to manufacture?

Send your drawing, target quantity, material, and application.

Support from Prototype to Production

CNC machining support across each development stage, from early functional parts to repeatable production batches.

Prototype Development

Turn an early design into functional machined parts for fit, appearance, and basic performance testing.

  • DFM review and practical design feedback
  • Fast prototype iteration for key features
Progressive CNC-machined aluminum housing prototypes arranged beside an engineering drawing
Prototype Development
Engineering Reference

Typical CNC machining considerations

Final tolerances and inspection methods depend on material, geometry, part size, finish, quantity, and the approved drawing.

FeatureTypical RequirementReview MethodEngineering Note
General DimensionsPer drawingDrawing and model comparisonIf ISO 2768-1 applies, specify the edition and tolerance class before machining.
Tight-tolerance FeaturesDown to ±0.01 mmFeature-specific measurement planFeasibility depends on size, material, setup, and geometry.
Threads & HolesDrawing-specified standardGauges and dimensional toolsDepth, blind-hole relief, and access require review.
Surface FinishApproved finish calloutVisual check and specified measurementMasking and post-finish dimensions must be defined.
Edges & BurrsDeburred unless specifiedVisual and tactile inspectionFunctional sharp edges must be identified on the drawing.
Export Collaboration

Clear communication from drawing revision to packing

Overseas CNC projects need more than machine capacity. They need clear file control, practical engineering questions, visible production checkpoints, and packaging that protects finished surfaces and functional interfaces.

Revision ControlConfirm the current drawing and model before release.
DFM CommunicationExplain manufacturing risks and workable options.
Progress CheckpointsShare key stages when the project requires them.
Packing ConfirmationProtect surfaces, threads, and mating features.
Chinese manufacturing engineer discussing CNC project requirements with an overseas customer
Packing & Shipment
Start Your Project

Have a CNC part ready for manufacturing review?

Send your drawing and project requirements. We will review manufacturability and reply with clear next steps.

STEP / STP / IGES / SLDPRT / PDF