CNC Machining Service
From Prototype to Production – Scalable, Precise, Hassle-Free

End-to-End Manufacturing Solutions
Prototyping & Tooling
- Rapid Prototypes: Functional parts in 3-7 days to validate designs.
- Production Tooling: Mold design & manufacturing for injection molding, die casting.
Low-to-Mid Volume Production
- Batch Sizes: 1 to 50,000+ units (No MOQ restrictions).
- Hybrid Workflow: Seamlessly scale from CNC prototypes to molded mass production.
Core Services
Service | Key Features |
CNC Turning | Ø300mm × 600mm capacity ±0.005mm tolerance Live tooling for complex geometries |
CNC Milling | 5-axis machining up to 800mm Mirror finishes (Ra 0.2μm) Aerospace alloys & medical ceramics |
Production | 50+ machines for bulk orders ISO 9001-certified QC JIT delivery for automotive/medical |
Material Selection Guide
We machine 60+ materials, including: Metals
Material | Key Properties | Common Applications |
Aluminum 6061 | High strength-to-weight, corrosion-resistant Aerospace | Frames, automotive brackets, robotics enclosures |
Aluminum 7075 | Ultra-high strength (T6 tempered) | Aircraft fittings, military components |
Stainless Steel 303 | Excellent machinability, oxidation-resistant | Shafts, valves, fasteners |
Stainless Steel 316L | Bio-inert, chloride/corrosion-resistant | Surgical tools, marine hardware |
Titanium Grade 5 | Biocompatible, highest strength-to-density ratio | Aerospace fasteners, medical implants |
Brass C360 | Superior electrical conductivity | Electrical connectors, decorative fittings |
Copper 101 | Thermal/electrical conductor | Heat exchangers, RF components |
Engineering Plastics
Material | Key Properties | Common Applications |
PEEK | 260°C continuous use, sterilizable | Medical implants, aerospace bearings |
ABS | Impact-resistant, cost-effective | Automotive trim, consumer electronics |
Nylon (PA6/PA66) | Wear-resistant, self-lubricating | Gears, bushings, conveyor parts |
HDPE | Chemical/FDA-compliant | Food processing tanks, fluid handling |
Polycarbonate | Optical clarity, shatterproof | Safety goggles, LED light housings |
PTFE (Teflon®) | Non-stick, ultra-low friction | Seals, insulating washers |
Specialty Materials
Material | Key Properties | Common Applications |
Ceramics (Al₂O₃/ZrO₂) | Extreme hardness, biocompatible | Dental implants, semiconductor fixtures |
Ultem® 1000 | Flame-retardant, high dielectric strength | Electrical insulators, aircraft interiors |
Carbon Fiber Composites | High stiffness, lightweight | UAV frames, racing components |
Why Partner With Us?
- Request a Quote: Upload your CAD file for instant pricing.
- Connect with Our Team: Discuss technical requirements and explore custom solutions via yunchao.qu@jinquanseiko.com.
CNC Machining Service
Expertise Across Critical Processes

CNC Milling Service
Multi-Axis Precision for Complex Geometries
Capabilities
- 3-axis to 5-axis milling: Contoured surfaces, deep cavities, undercuts
- Max part size: 1200mm × 750mm × 400mm (47.24″ × 29.53″ × 15.75″).
- Tolerance: ±0.02mm (±0.0008″) standard, ±0.005mm (±0.0002″) upon request
- Materials: Aluminum 6061-T6, Stainless Steel 316L, Titanium Grade 5, PC, PEEK, Ultem®, etc.

CNC Turning Service
High-Speed Production for Rotational Parts
Capabilities
- Dual-Spindle Lathes: Live tooling for cross-drilling, threading
- Max Dimensions: Ø300mm (11.8″) × 600mm (23.6″)
- Surface Finish: Ra 0.4μm (16μin)
- Metals: Aluminum 5000/6000/7000 series, Stainless Steel 303/316L, Brass C360, etc.
- Plastics: Nylon, Acetal, PC, PEEK, ABS, etc.

CNC Milling Turning
Single-Setup Complex Part Manufacturing
Capabilities
- Y-axis & B-axis: Simultaneous turning & milling
- Max Workpiece: Ø450mm × 1028mm (Ø17.72″×40.47″)
- Tolerance: ±0.01mm (±0.0004″)
- Aluminum 5000/6000/7000 series, Stainless Steel 303/316L, Brass C360, etc.
- Engineering Plastics: PEEK-CA30, Vespel®, ABS, etc.
Service Comparison
Feature | CNC Milling | CNC Turning | CNC Milling Turning |
Axis Configuration | 3-5 axis | 2-4 axis | 5-6 axis |
Best Geometry | Complex 3D | Cylindrical | Hybrid 3D + Rotational |
Lead Time (1–10 pcs) | 5–7 days | 3–5 days | 7–10 days |
Tolerance | ±0.02mm | ±0.015mm | ±0.01mm |
Precision Enhancement Technologies
A. Swiss-Type Machining
- Micro-Scale Accuracy: Ø0.5–32mm (0.02″–1.26″)
- Medical: Ø1.0mm bone screws, micro surgical pins
- Electronics: Connector pins for 5G devices
B. High-Speed Micro Milling
- Ultra-Fine Tools: Ø0.1mm end mills
- Thin-wall structures: 0.15mm wall thickness
- Optical components: Lens mounts with 0.005° angular accuracy
Why Clients Choose Us?
- Medical & Aerospace Focus: 65% projects serving regulated industries.
- Hybrid Flexibility: Combine milling, turning, and milling-turning compound machining in one work flow.
- Scalability: From 1 prototype to 100K+ production units.
- Global Delivery: DDP shipping via DHL/FedEx to EU/NA/APAC.
Quality Assurance System
Precision Validated, Consistency Guaranteed

Key Quality Metrics
- On-Time Delivery: 99.7% (2017-Present)
- PPM Defect Rate: <500 (Six Sigma Level)
- Full Traceability: Material Certificates to Final Inspection Reports
Advanced Metrology Lab
Equipment | Capabilities | Applications |
CMM | 3D accuracy: ±0.002mm 5-axis scanning probes | Medical implant profile verification |
VMS (Video Measuring System) | 10X-200X magnification Auto-edge detection | PCB connector pin inspection |
Optical Comparator | 50X optical zoom GD&T analysis | Gear tooth profile validation |
Micrometers | Resolution: 0.001mm ±0.002mm accuracy | Shaft diameter verification |
Height Gauges | 1000mm range Surface plate integrated | Fixture flatness checks |
Rockwell Hardness Tester | Scales: HRA, HRB, HRC Automatic load control | Heat treatment validation |
3-Stage Quality Process
1. Incoming Material Inspection
- Material Certification: Verify mill certificates against ASTM/ISO standards
- Rejection Criteria: Non-ROHS materials immediately quarantined
2. In-Process Control
- First Article Inspection: Full CMM report with color deviation maps
- Statistical Sampling: AQL 1.0 for commercial parts, 100% check for medical
- Error-Proofing: RFID-tagged fixtures prevent tooling mismatch
3. Final Inspection
- Full Dimension Report: ASME Y14.5 compliant
- Clean Packaging: ISO Class 8 cleanroom packaging available
- Trace Marking: Laser-etched part numbers + QR code tracking
Why Choose Our Quality System?
- Transparency: Live video inspection upon request.
- Global Support: Cross-timezone quality engineers available.
- Caption: Our Vision Measuring System ensures ±0.005mm positional accuracy for high-density connectors.
Industry Applications
Precision Components Powering Critical Innovations

Medical Device Manufacturing
Challenge: Achieve sub-micron surface finishes (Ra ≤0.2μm) on bio-compatible components to minimize tissue adhesion.
Solution
- Material: ASTM F136 Titanium (Grade 5)
- Process: 5-axis CNC milling + electropolishing
- QC: 100% CMM inspection
- Applications: Surgical instrument prototypes, trial orthopedic implants.

Automotive & EV Systems
Challenge: Machine large aluminum battery trays (800mm+ length) with ±0.1mm flatness for IP67 sealing.
Solution
- Material: 6061-T6 Aluminum (hardcoat anodized)
- Process: Thermal-compensated 5-axis machining
- Result: 30% weight reduction vs. steel, passing 2,000hr salt spray tests.
- Applications: EV battery housings, LiDAR sensor mounts.

Aerospace & Defense
Challenge: Fabricate RF waveguides with 0.008mm positional accuracy over 300mm length.
Solution
- Material: C17200 Beryllium Copper
- Process: Swiss-type CNC turning + EDM micro-drilling
- Tolerance: ±0.005mm (per AS9100 Rev D)
- Applications: Satellite communication components, avionics housings.

Industrial Robotics
Challenge: Drill Ø0.8mm × 150mm deep holes in 316L stainless steel with <0.4μm surface roughness.
Solution
- Process: Gun drilling + EDM hybrid process
- Tooling: High-pressure coolant system
- Lead Time: 15 days for 200 units
- Applications: Robotic wrist modules, hydraulic valve bodies.

Medical Device Components
ABS Hand Switches for Diagnostic Equipment: Isopropyl alcohol wipe-down for cleanroom packaging
Solution
- Material: Medical-grade ABS (ISO 10993-5 compliant, MRI-safe)
- Process: 4-Axis CNC Machining: Undercut slots for snap-fit assembly
- Texture Control: Diamond-tipped tools for uniform matte finish
Multimedia Engagement
Industry | Content Type | Sample Title |
Medical | 3D Animation | “How We Achieve Ra 0.2μm on Titanium” |
Automotive | Case Study Video | “EV Battery Tray: From CAD to Road” |
Aerospace | Interactive Diagram | “Waveguide Tolerance Analysis Tool” |
Technical Integrity Without Compromise
- Material Certifications: Full traceability for ASTM/ISO-compliant metals & plastics.
- Process Transparency: Live shop floor updates via customer portal.
- Global Compliance: CE, RoHS, REACH documentation provided.
Precision CNC Machining FAQs
Suzhou-Based Experts in Rapid Prototyping & Medical Device Manufacturing
Start Your Project in 3 Steps!
- Upload CAD Files (STEP, IGES, SolidWorks).
- Get Quote & DFM Report within 24 hours.
- Approve & Track Production via our portal.
