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"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 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
3, 4, and 5-axis milling for complex geometries. Handles aluminium, steel, titanium, and engineering plastics with micron precision.
High-speed lathe turning for cylindrical parts. Ideal for shafts, bushings, flanges, and threaded components at volume.
Simultaneous 5-axis operations for the most demanding aerospace and medical parts with complex undercuts and compound angles.
Surface and cylindrical grinding achieving Ra 0.2μm or better. For hardened tool steel and gauge-quality components.
Electrical discharge machining for intricate profiles, sharp internal corners, and hardened materials up to 62 HRC.
High-precision Swiss-type CNC lathes for small, complex parts — perfect for medical devices and precision instruments.
Specifications
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
We machine metals and engineering plastics to tight tolerances. Select a material to view its properties, applications, and machining guidance.
Applications
CNC machining suits a wide range of precision components across the industries we serve.
Machined aluminum and plastic enclosures with tight fit and clean surface finish.
Structural brackets and mounting plates for robotics, automotive, and electronics.
Machined and ground gears for motion and power transmission.
Cylindrical turned parts with precise diameters and surface finishes.
Precision connectors, manifolds, and fluid fittings with controlled threads.
High-precision parts for medical devices and instruments requiring verified tolerances.
Production
Critical dimensions verified before the full batch runs — catching an issue on part one is far cheaper than catching it on part five hundred.
Machining parameters corrected immediately if first-article results show any drift.
Dimensions sampled across the run, not just at the start, to catch tool wear before it affects later parts.
Checks at intervals through long runs confirm part 1 and part 1,000 meet the same spec.
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
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.
Quoting, production, and inspection follow documented and audited processes.
Steel certifications, hardness test reports, and First Article Inspection documents accompany each batch.
CMM and optical measurement projectors verify every dimension against drawings on every run.
FAQ
Answers to the questions we hear most often about CNC machining at Hong Ying Tooling.
Explore More
Continue exploring complementary manufacturing services, material options, and the industries we serve.
Reliable Manufacturing Support
HongYing manages sourcing, production, and inspection to ensure quality manufacturing with reduced risk and timely delivery.