Precision CNC Machining Services | Custom Parts, On-Time Delivery
High-precision machining, providing high-precision CNC milling, turning, and 5-axis machining for the fields of aerospace, industry, and humanoid robotics.

About Our CNC Precision Machining
At LEIFENG, we specialize in high-precision CNC machining for custom metal and plastic components. With over 10 years of experience in the machining industry, our state-of-the-art facilities and skilled engineering team ensure that every part meets your exact specifications—whether it’s a single prototype or high-volume production runs.
- Advanced CNC milling (3/4/5-axis)
- Precision CNC turning (swiss-type turning available)
- CNC drilling & tapping
- Surface finishing (anodizing, plating, polishing)
- Assembly & kitting services

Core CNC Machining Services
| Advantage | Applicable scenarios | ||
|---|---|---|---|---|
| CNC Milling | ±0.001mm tolerance; 3/4/5-axis capability; complex geometry processing | Aerospace brackets, industrial fixtures, medical device components | ||
| CNC Turning | High-speed turning; swiss-type precision; long shaft/round part processing | Automotive shafts, hydraulic fittings, fasteners | ||
| 5-Axis Machining | Multi-angle processing without re-clamping; reduced lead time; high repeatability | Complex aerospace parts, custom industrial machinery components | ||
| Prototyping & Low-Volume Production | Rapid turnaround (3-5 days for prototypes); cost-effective; iterative design support | New product development, small-batch custom parts | ||
| Mass Production | Automated production lines; strict quality control; competitive pricing | Automotive parts, consumer electronics components, industrial fasteners |
Why Choose Our CNC Machining Services
Uncompromising Precision
Our CNC machines are calibrated daily, with tolerance control down to ±0.001mm—meeting the strictest industry standards (AS9100 for aerospace, ISO 13485 for medical).
On-Time Delivery Guaranteed
We use advanced production scheduling software and maintain safety stock for common materials, ensuring 98% on-time delivery rate even for tight deadlines.
End-to-End Quality Control
Every part undergoes multi-stage inspection: incoming material testing, in-process QC, final CMM (Coordinate Measuring Machine) verification, and traceable quality reports.
Customization & Engineering Support
Our bilingual engineers (English/Chinese) work with you from design to delivery—offering DFM (Design for Manufacturability) advice to optimize your part design for cost and efficiency.
Competitive Pricing
No hidden fees; transparent pricing models for prototypes, low-volume, and mass production. We leverage bulk material purchasing and automated processes to pass savings to you.
Machining Materials
| Material Category | Specific Materials | Typical Applications |
|---|---|---|
| Metals | Aluminum (6061, 7075) Stainless Steel (304, 316) Carbon Steel (1018, 1045) Titanium (Ti-6Al-4V) Brass, Copper Inconel, Hastelloy | Aerospace brackets, automotive parts Medical devices, industrial fixtures Mechanical components, fasteners Aerospace, high-strength parts Electrical connectors, fittings High-temperature, corrosion-resistant parts |
| Plastics | PTFE Nylon, Delrin PVC, ABS PEEK Polycarbonate | Chemical equipment, seals Gears, bushings, structural parts Casings, low-cost components Medical devices, high-temperature parts Optical components, enclosures |
Quality Control Process
- Incoming Material Inspection – Verify material grade, dimensions, and mechanical properties.
- In-Process QC – Random sampling during machining to detect and correct deviations.
- Post-Machining Inspection – CMM, optical comparator, hardness testing, and surface finish measurement.
- Final Audit – 100% visual inspection + documentation of all test results.
- Packaging & Shipping – Anti-corrosion packaging + traceable labeling for easy tracking.