Precision CNC Machining Services
"We hold tolerances as tight as ±0.005mm across aluminum, titanium, stainless steel, and high-performance alloys — matched to the manufacturing partner best suited to your part, then managed by our engineering team from first cut to delivery."
"20 Years Managing Manufacturing Projects in China"
Verified manufacturing partner of Xometry Europe
Trusted Manufacturing Partner
A Network Built for Precision
A vetted network of 150+ manufacturing partners gives you multi-axis machining capability, a broad material range, and documented quality control — from single prototypes to production batches.
Vetted network across China
Aluminum, steel, titanium & engineering plastics
Ultra-precision machining
Quality management system certified
CNC Machine
Full CNC Machining Capabilities
CNC Milling
3, 4, and 5-axis milling for complex geometries. Handles aluminium, steel, titanium, and engineering plastics with micron precision.
CNC Turning
High-speed lathe turning for cylindrical parts. Ideal for shafts, bushings, flanges, and threaded components at volume.
5-Axis Machining
Simultaneous 5-axis operations for the most demanding aerospace and medical parts with complex undercuts and compound angles.
Precision Grinding
Surface and cylindrical grinding achieving Ra 0.2μm or better. For hardened tool steel and gauge-quality components.
Wire EDM
Electrical discharge machining for intricate profiles, sharp internal corners, and hardened materials up to 62 HRC.
Swiss Turning
High-precision Swiss-type CNC lathes for small, complex parts — perfect for medical devices and precision instruments.
Specifications
Tolerances & Surface Finishes
Standard and high-precision tolerances for each machining process, delivered and verified against engineering drawings.
| Process | Standard Tolerance | High-Precision Tolerance | Surface Finish (Ra) |
|---|---|---|---|
| CNC Milling (Prismatic) | ±0.025 mm | ±0.010 mm | 1.6 to 3.2 µm |
| CNC Turning (Cylindrical) | ±0.020 mm | ±0.005 mm | 0.8 to 1.6 µm |
| Wire EDM Cutting | ±0.1 | ±0.05 mm | 0.4 to 0.8 µm |
Materials
CNC Machining Materials
We machine metals and engineering plastics to tight tolerances. Select a material to view its properties, applications, and machining guidance.
Metals
Plastics
Applications
Parts We Commonly Produce
CNC machining suits a wide range of precision components across the industries we serve.
Housings & Enclosures
Machined aluminum and plastic enclosures with tight fit and clean surface finish.
Brackets & Mounts
Structural brackets and mounting plates for robotics, automotive, and electronics.
Gears & Sprockets
Machined and ground gears for motion and power transmission.
Shafts & Bushings
Cylindrical turned parts with precise diameters and surface finishes.
Connectors & Fittings
Precision connectors, manifolds, and fluid fittings with controlled threads.
Medical Components
High-precision parts for medical devices and instruments requiring verified tolerances.
Production
From First Part to Batch Production
First Article Inspection
Critical dimensions verified before the full batch runs — catching an issue on part one is far cheaper than catching it on part five hundred.
Process Adjustment
Machining parameters corrected immediately if first-article results show any drift.
Batch Monitoring
Dimensions sampled across the run, not just at the start, to catch tool wear before it affects later parts.
Run Consistency
Checks at intervals through long runs confirm part 1 and part 1,000 meet the same spec.
Final Checks
Full inspection against your drawing before anything ships — the same standard applied to every part, not a spot check.
The objective is to ensure that each part produced matches the same standard, regardless of quantity.
QUALITY ASSURANCE
How Quality Is Verified on Every Project
A badge on a page doesn't verify a part — a documented process does. Here's exactly how quality is checked on every project we run.
Documented Quality System
Quoting, production, and inspection follow documented and audited processes.
Traceable Materials & Reports
Steel certifications, hardness test reports, and First Article Inspection documents accompany each batch.
Consistent Inspection
CMM and optical measurement projectors verify every dimension against drawings on every run.
FAQ
CNC Machining Questions
Answers to the questions we hear most often about CNC machining at Hong Ying Tooling.
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Reliable Manufacturing Support
Complete Engineering & Manufacturing Execution for Your China Production Projects
HongYing manages sourcing, production, and inspection to ensure quality manufacturing with reduced risk and timely delivery.