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TONGREN CNC
CNC Manufacturing
Copper Parts Manufacturing
Custom CNC machined copper parts for electrical systems, thermal management, semiconductor equipment, electronics, connectors, busbars, heat sinks, precision hardware and industrial assemblies.
We provide copper CNC milling, copper CNC turning, drilling, tapping, threading, surface finishing and quality inspection for custom copper components.
High Electrical Conductivity
Excellent Thermal Performance
Prototype & Production
Multiple Copper Grades
Precision Manufacturing for Custom Copper Parts
Copper is widely used for precision machined parts because it offers excellent electrical conductivity, thermal conductivity, corrosion resistance, formability and reliable performance in demanding electrical and thermal applications.
✓Electrical connectors
✓Bus bars
✓Heat sinks
✓Semiconductor equipment
✓Power distribution parts
✓Waveguide components
✓Precision hardware
✓Custom electronics
Services Available:
Why Choose Us for Copper Parts Manufacturing
Electrical and Thermal Performance
Copper is ideal for electrical contacts, heat transfer, cooling and power distribution components.
Tight Tolerance Copper Parts
Precision copper components can be machined with accurate dimensions, flatness, threads and detailed features.
CNC Milling and CNC Turning
We support copper milling, copper turning, drilling, tapping, threading, grooving and reaming.
Prototype and Low Volume Production
We provide copper prototype machining, one-off parts, small batches and recurring production.
Surface Finishing Support
Available finishes include polishing, brushing, nickel plating, tin plating, silver plating and laser marking.
Quality Inspection
We inspect dimensions, threads, flatness, concentricity, finish and plating requirements.
Quality Guaranteed with ISO 9001:2015 Certified Facilities
Copper Grades We Machine
Different copper grades provide different levels of conductivity, strength, machinability, corrosion resistance and thermal performance.
C101 Oxygen-Free Copper
High-purity copper for vacuum, electronics, semiconductor and high-performance electrical applications.
C102 Oxygen-Free Copper
Low-oxygen copper with strong conductivity and good formability for electrical and thermal components.
C110 Electrolytic Tough Pitch Copper
Widely used for busbars, connectors, terminals, heat sinks and industrial electrical parts.
C145 Tellurium Copper
Improved machinability with good conductivity for connectors, terminals and precision turned components.
C172 Beryllium Copper
High strength and fatigue resistance for springs, contacts, tooling and demanding electrical components.
Other Copper Alloys
Custom copper alloys can be reviewed according to conductivity, strength and drawing requirements.
Our Copper CNC Machining Capabilities
Surface Finishes for Copper Parts
Copper surface finishing can improve oxidation resistance, appearance, solderability, electrical contact performance, wear resistance and product identification.
As MachinedPolishingBrushingBead BlastingNickel PlatingTin PlatingSilver PlatingGold PlatingChrome PlatingPassivationAnti-Oxidation CoatingLaser MarkingCUSTOM PARTS
Custom Copper Parts We Manufacture
We produce a wide range of custom copper machined parts for prototypes, production assemblies and precision industrial applications.
Copper Heat Sinks
High-conductivity thermal components for electronics and power systems.
Copper Busbars
Precision busbars for power distribution and electrical assemblies.
Copper Electrical Connectors
Custom connectors, terminals and conductive interfaces.
Copper Terminals
Machined terminals and contact components for electrical systems.
Copper Thermal Plates
Cooling plates and heat-transfer components for thermal management.
Copper Electrodes
Custom electrodes for EDM, welding and electrical applications.
Copper Threaded Components
Threaded inserts, adapters, fasteners and precision hardware.
Copper Pins and Shafts
Precision turned pins, shafts and cylindrical parts.
Copper Housings
Custom housings and thermal enclosures for instruments and equipment.
Copper Semiconductor Components
Thermal, vacuum and conductive parts for semiconductor equipment.
Copper Cooling Components
Heat spreaders, cold plates and custom cooling parts.
Copper Custom Hardware
Made-to-order conductive and thermal mechanical components.
Applications of Custom Copper Parts
Quality Assurance for Copper Parts
CMM InspectionHeight GaugeCaliper and MicrometerThread GaugePin GaugeSurface Roughness TestFlatness InspectionConcentricity CheckPlating Thickness CheckMaterial CertificationFirst Article InspectionDimensional ReportRequest a Quote for Your Copper Parts
Send us your drawings or CAD files. Our engineering team will review and send back manufacturability, pricing, lead times and surface finish recommendations within 24 hours.
Step 1
Send Drawing
Upload CAD files or drawings via email or our portal.
Step 2
Engineering Review
DFM analysis and machining feedback within 24 hours.
Step 3
Production
Precision CNC machining and finishing operations.
Step 4
Quality & Delivery
Full inspection, QC report and worldwide shipping.
Frequently Asked Questions
What are copper parts?
Copper parts are precision components used for electrical, thermal, semiconductor, electronics, power and industrial applications.
What copper grades can you machine?
Common grades include C101, C102, C110, C145, C172 and other customer-specified copper alloys.
Is copper difficult to CNC machine?
Pure copper can be difficult because it is soft, ductile and prone to burrs and tool adhesion, but controlled machining can produce accurate results.
Can you manufacture custom copper heat sinks?
Yes. We manufacture heat sinks, heat spreaders, cold plates and custom thermal components.
Can you make copper busbars and connectors?
Yes. We support busbars, terminals, contacts, connectors and conductive hardware.
Do you support copper CNC turning?
Yes. We manufacture pins, shafts, terminals, threaded components and cylindrical parts.
Do you support copper CNC milling?
Yes. We manufacture heat sinks, thermal plates, housings, busbars and complex copper parts.
Can you manufacture copper prototypes?
Yes. We support one-off prototypes, low-volume orders and recurring production.
What surface finishes are available?
Polishing, brushing, nickel plating, tin plating, silver plating, gold plating and anti-oxidation coatings are available.
Can copper parts be nickel plated or tin plated?
Yes. Plating options can be selected based on conductivity, solderability, appearance and corrosion requirements.
What tolerance can you achieve?
Tolerance depends on copper grade, geometry, feature size and part dimensions.
Can you work with STEP or CAD files?
Yes. You can send STEP, IGES, X_T, SLDPRT, STL, DWG or PDF files for quotation and engineering review.
Do you provide inspection reports?
Yes. We can provide dimensional inspection reports, material certificates and first article inspection reports when required.
Do you ship copper machined parts globally?
Yes. We support global delivery for custom copper CNC machining projects.
