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.

Our core machining capabilities include:
 
  • 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

Service  
AdvantageApplicable scenarios
CNC Milling ±0.001mm tolerance; 3/4/5-axis capability; complex geometry processingAerospace brackets, industrial fixtures, medical device components
CNC Turning High-speed turning; swiss-type precision; long shaft/round part processingAutomotive shafts, hydraulic fittings, fasteners
5-Axis Machining Multi-angle processing without re-clamping; reduced lead time; high repeatabilityComplex aerospace parts, custom industrial machinery components
Prototyping & Low-Volume Production Rapid turnaround (3-5 days for prototypes); cost-effective; iterative design supportNew product development, small-batch custom parts
Mass Production Automated production lines; strict quality control; competitive pricingAutomotive parts, consumer electronics components, industrial fasteners

Why Choose Our CNC Machining Services

  1. 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).

     

  2. 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.

     

  3. 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.

     

  4. 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.

     

  5. 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 CategorySpecific MaterialsTypical 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

Our QC process ensures every part meets your specifications:
 
  1. Incoming Material Inspection – Verify material grade, dimensions, and mechanical properties.
  2. In-Process QC – Random sampling during machining to detect and correct deviations.
  3. Post-Machining Inspection – CMM, optical comparator, hardness testing, and surface finish measurement.
  4. Final Audit – 100% visual inspection + documentation of all test results.
  5. Packaging & Shipping – Anti-corrosion packaging + traceable labeling for easy tracking.
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