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Professional Metal Core PCB Manufacturer - High-performance aluminum and copper base thermal management PCB solutions

Professional Metal Core PCB Manufacturer & Assembly Factory

Direct factory supply. 100+ imported production machines. We engineer high-performance Metal Clad PCB solutions that eliminate thermal failure — so your power designs survive where standard FR4 cannot. Accurate quotes within 2 hours.

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Sourcing Metal Based PCB? Avoid These 3 Costly Pitfalls

Cheap metal core boards fail silently — until your LEDs dim, your power modules overheat, or your production line grinds to a halt. Here's what experienced buyers watch for.

Fake Dielectric Layers

Some suppliers label their boards with premium thermal conductivity ratings while substituting low-cost insulation materials. The result: your critical power components overheat within months, causing field failures that destroy customer trust and trigger costly recalls.

Hidden Delivery Delays

Trading companies accept your order, then scramble to find a real factory behind the scenes. Without direct production control, your delivery timeline slips by weeks — putting your entire product launch and retail commitments at serious risk.

CTE Mismatch Cracking

When the thermal expansion coefficient of the metal base doesn't match the dielectric and copper layers, solder pads crack and delaminate under thermal cycling. Your boards pass initial QC but fail catastrophically in the field during temperature swings.

Don't gamble with your thermal management design. Work with a factory that engineers every layer.

Talk to Our Metal Core PCB Engineers

Full-Lifecycle Metal Core PCB Fabrication Services

From single-piece rapid prototyping to 10,000+ volume production runs — with seamless PCBA assembly integration — we cover every stage of your metal substrate project.

Rapid Prototyping

Upload your Gerber files and receive functional Metal Core PCB prototypes in as few as 5 working days. Our dedicated quick-turn line uses in-stock aluminum and copper base materials, so you validate thermal performance before committing to volume — cutting weeks off your development cycle.

Volume Production

Scale seamlessly from prototype to mass production on the same calibrated production lines. Our 100+ imported machines maintain identical process parameters whether you order 50 or 50,000 panels — delivering batch-to-batch consistency that your quality team can rely on.

Turnkey PCBA Assembly

Eliminate multi-vendor coordination headaches. We combine our metal core board fabrication with in-house SMT and through-hole assembly, complete with thermal paste application and LED sorting. One purchase order, one factory, one accountable partner from bare board to tested assembly.

Ready to streamline your metal core PCB supply chain from prototype to production?

Request a Service Consultation

Understanding Insulated Metal Substrate (IMS) PCB

Standard FR4 boards trap heat. A Metal Core PCB replaces the fiberglass base with a thermally conductive metal — typically aluminum or copper — creating a direct heat dissipation path from your components to the heatsink.

  • Copper Foil Circuit Layer

    The top copper layer carries your circuit traces and component pads. Thicker copper options (up to 6 oz) handle high-current paths in power supply and motor driver applications without excessive trace width.

  • Thermally Conductive Dielectric Layer

    This is the critical performance layer. A high-quality dielectric (1.0–8.0 W/m·K) provides electrical insulation while conducting heat away from components at up to 20× the rate of standard FR4 prepreg.

  • Metal Base Layer (Aluminum / Copper)

    The structural metal core acts as a built-in heatsink. Aluminum (150 W/m·K) suits most LED and power applications, while copper base (385 W/m·K) delivers extreme thermal performance for automotive-grade and high-power industrial modules.

Metal-Core-PCB-prototype-—-direct-MCPCB-manufacture

Need help selecting the right metal base and dielectric for your thermal design?

Consult Our Thermal Engineers

High-Performance Aluminum PCB Board & Copper Core Solutions

Every metal core PCB category is engineered to solve a specific thermal challenge. Choose the substrate that matches your power density, routing complexity, and operating environment.

Single sided Metal Core PCB for LED lighting - aluminum base PCB manufacturer

Single-Sided Metal Core PCB

The industry workhorse for high-power LED lighting and simple power regulation circuits. A single copper layer bonded to an aluminum base delivers efficient, cost-effective thermal management for designs that don't require complex multi-layer routing.

Base Material: Aluminum 5052 / 6061
Thermal Cond.: 1.0 – 3.0 W/m·K
Board Thickness: 0.6 – 3.0 mm
Applications: LED lighting, power regulators, backlight modules
2 layer Metal Core PCB for power control board - MCPCB manufacturer

2-Layer Metal Core PCB

When your power circuit demands more routing real estate than a single side allows, our double-sided metal core boards provide two copper layers with plated through-holes — giving you the design freedom to route complex power control networks while maintaining superior heat extraction.

Base Material: Aluminum / Copper
Thermal Cond.: 1.5 – 5.0 W/m·K
Board Thickness: 1.0 – 2.5 mm
Applications: Power converters, motor drivers, industrial controls
Copper base PCB for automotive and EV high-power applications - Metal Core PCB manufacturer

Copper Base PCB

For extreme thermal environments where aluminum simply can't keep up, copper base PCBs provide 2.5× the thermal conductivity. Designed for automotive-grade power modules, EV charging stations, and high-brightness laser diode applications that demand zero thermal compromise.

Base Material: C1100 Pure Copper
Thermal Cond.: 385 W/m·K (copper base)
Board Thickness: 0.8 – 3.0 mm
Applications: EV power modules, IGBT, laser diodes, automotive

Not sure which metal substrate is right for your power design? Our engineers will recommend the optimal solution.

Upload Gerber for Free Review

Metal Core PCB Design for Manufacturability Guide & Capabilities

Our engineering team reviews every design file against these production parameters before quoting. Matching your design to our proven capability window ensures first-pass success and eliminates costly re-spins.

ParameterCapability Range
Thermal Conductivity1.0 W/m·K – 8.0 W/m·K
Base Metal OptionsAluminum 5052 / 6061, C1100 Copper
Base Material Thickness0.4 mm – 3.0 mm
Copper Thickness1 oz – 6 oz (35 μm – 210 μm)
Board Layers1L / 2L / Multi-layer Hybrid
Min. Trace Width / Spacing100 / 100 μm (4 / 4 mil)
Min. Drill Size0.3 mm (12 mil)
Dielectric Breakdown Voltage≥ 3.0 kV (Hi-Pot tested)
Surface FinishHASL, OSP, ENIG, Immersion Silver
Solder Mask ColorWhite, Black, Green, Blue, Red
Max. Panel Size500 × 600 mm

Engineer's DFM Tips

Designing your first metal core PCB? Follow these guidelines to maximize yield and minimize your unit cost:

  • Avoid drill holes smaller than 0.5 mm on single-sided aluminum boards — smaller vias risk cracking the dielectric during thermal cycling.
  • Keep copper-to-edge clearance ≥ 0.5 mm to prevent short circuits between traces and the exposed metal base after routing.
  • For thermal conductivity above 3.0 W/m·K, specify dielectric thickness ≤ 75 μm to maximize heat transfer efficiency.
  • Use white solder mask for LED applications — it delivers 85%+ reflectivity, boosting your luminaire's optical efficiency at zero extra cost.

Submit your design files and our engineers will verify DFM compliance within 2 hours — free of charge.

Upload Gerber for Free DFM Check

Where Are Our Metal Backed PCBs Used?

From stadium spotlights to electric vehicle charging stations, our metal core boards perform in the most thermally demanding environments across the globe.

Metal Core PCB for LED

High-power stage lighting, automotive headlights, and commercial luminaires generate intense heat that degrades LED chips. Our aluminum PCB boards extract this heat through the metal base directly to the heatsink, extending LED lifespan by up to 50,000 hours and maintaining consistent color temperature across the entire fixture.

Power Supply & Converters

Switching regulators and power converters concentrate heat in compact footprints. Our metal core substrates spread this thermal load evenly across the base layer, preventing hot spots that cause capacitor degradation and MOSFET derating — keeping your power supply running at full rated output without forced-air cooling.

Automotive & EV Applications

Motor controllers, IGBT driver boards, and EV charging station power modules operate under extreme thermal and vibration stress. Our copper base PCBs withstand continuous 150°C operating temperatures and pass automotive-grade thermal shock testing (-40°C to +150°C, 1000 cycles), ensuring zero solder joint failures over the vehicle's lifetime.

Tell us about your thermal challenge — we'll recommend the optimal metal core solution for your application.

Describe Your Project Requirements

Why Pragmatic Buyers Choose QueenEMS as Their Metal Core PCB Supplier

We don't just manufacture boards — we engineer thermal solutions. Every advantage below translates directly into faster timelines, lower risk, and predictable costs for your project.

2-Hour Technical Quotation

Our in-house engineering team reviews your Gerber files, stack-up requirements, and thermal targets — then delivers a detailed technical quote within 2 business hours. You receive material recommendations, impedance feasibility notes, and realistic production timelines, not a generic price sheet. This means you can lock in budgets and finalize vendor decisions the same day.

Engineering-Driven Support

Your inquiry is handled by engineers who understand thermal conductivity, CTE matching, and dielectric breakdown testing — not order-takers. Our sales and engineering teams work as one unit, proactively flagging DFM issues, recommending optimal dielectric thickness, and suggesting cost-saving panelization layouts before your board enters production.

Zero-Gap Process Consistency

Whether you order 5 prototype panels or 10,000 production panels, every board runs through the same calibrated equipment with identical process parameters. Our dielectric bonding pressure, curing temperature, and V-cut depth remain locked at the same settings — so your volume order performs exactly like your approved prototype, with zero surprises at incoming inspection.

Experience the difference of working directly with a factory that leads with engineering, not sales talk.

Get Your 2-Hour Technical Quote

Inside Our Verified Metal Core PCB Facility in China

QueenEMS is a direct PCB manufacturer — not a trading company, not a broker. Our factory in Shenzhen runs dedicated aluminum and copper base production lines, separated from standard FR4 operations. This dedicated infrastructure means your metal core boards receive optimized lamination pressure, curing profiles, and routing parameters from day one.

100+

Imported Machines

20+

Years Experience

2 Hrs

Fast Quotation

50+

Countries Served

Metal Core PCB manufacturing facility - QueenEMS direct factory with 100+ imported production machines

100% Inspection. Zero Compromise on Quality.

Metal core PCBs carry high-power loads in mission-critical applications. A single defective board can cause cascading thermal failures. Our multi-stage inspection protocol catches every issue before your boards leave our facility.

AOI Optical Inspection

Our automated optical inspection systems scan every panel at micron-level resolution, catching trace defects, solder mask misalignment, and copper surface contamination that manual inspection would miss. This ensures every circuit path on your metal core board is electrically reliable before it reaches the next production stage.

Hi-Pot Breakdown Test

Every metal core PCB undergoes high-voltage dielectric breakdown testing (Hi-Pot) at voltages exceeding 3.0 kV. This rigorous test verifies the insulation integrity between your copper circuit layer and the metal base, guaranteeing zero leakage current under the most demanding power operating conditions your end product will face.

100% E-Test & X-Ray

Flying probe testing verifies open/short on every net across your board. For multi-layer hybrid metal core designs, our internal X-Ray system inspects via fill quality and internal layer registration. Combined, these tests ensure your boards achieve a 100% electrical pass rate, preventing any defective units from entering your assembly line.

Request sample inspection reports and material certificates of analysis to verify our quality commitment firsthand.

Request Sample QC Reports

Secure Packaging Engineered for Heavy Metal Core Boards

Metal core PCBs are significantly heavier than standard FR4 boards. Without proper packaging, they arrive with scratched surfaces, bent edges, and cracked dielectric layers. Our packaging protocol is built specifically for metal substrates.

Vacuum-Sealed Moisture Barrier

Each panel stack is sealed in aluminum moisture barrier bags with desiccant packs and humidity indicator cards. This prevents oxidation on the metal base surface and dielectric moisture absorption during ocean freight — ensuring your boards arrive solder-ready without any pre-bake requirement.

Anti-Static Protection Layer

For PCBA shipments with mounted components, we wrap assemblies in ESD-shielding bags rated to MIL-PRF-81705. Combined with conductive foam inserts between boards, this dual-layer protection eliminates electrostatic discharge risks that could damage sensitive MOSFETs and LED drivers during handling and transit.

Reinforced Export Cartons

Metal core boards are 2–3× heavier than standard PCBs. We use multi-wall corrugated cartons with custom-cut PE foam dividers that cradle every panel individually. Corner protectors and compression-tested stacking ensure zero edge damage — even after 30+ days of ocean container transit across rough seas.

Every shipment arrives in perfect condition — guaranteed. Ask about our packaging specifications.

Learn About Our Shipping Standards

Fast & Trackable Global Shipping

From quote to delivery, every milestone has a clear timeline. We partner with DHL, FedEx, UPS, and dedicated sea freight lines to keep your metal core PCB supply chain predictable and on schedule.

2 Hours

Technical Quotation

Submit your Gerber files and receive a detailed engineering quote with material and thermal recommendations — fast enough to finalize your vendor decision the same day.

5–7 Days

Quick-Turn Prototyping

Validate your thermal design with functional prototypes using in-stock aluminum and copper base materials — without waiting for special material orders.

10–15 Days

Mass Production

Full-volume production with Hi-Pot tested panels, comprehensive quality reports, and batch traceability — ready for your assembly line on schedule.

3–5 Days

Global Express Delivery

Door-to-door tracked shipping via DHL, FedEx, or UPS. We also support DDP terms for hassle-free customs clearance in the EU, US, and major markets worldwide.

Need expedited delivery for an urgent production deadline?

Request Rush Processing

Certified Reliability & Trusted by Market Leaders

Our quality system meets the world's most demanding industrial standards. Hear directly from procurement managers and engineers who have shipped production orders with us.

"QueenEMS solved our aluminum PCB delamination issue that two previous suppliers couldn't fix. Their dielectric testing and Hi-Pot reports gave our quality team full confidence. The 2-hour quotation response is a genuine competitive advantage — it saved us weeks of back-and-forth during our LED driver redesign."

David M.

Procurement Manager, Germany

"We switched to QueenEMS for our copper base IGBT driver boards after our previous supplier shipped boards with inconsistent thermal conductivity between batches. QueenEMS provides full material COAs and the prototype-to-production consistency has been flawless across three production runs."

Sarah L.

Hardware Engineer, United States

ISO 9001 Certified
UL Certified
RoHS Compliant
IPC Class 2/3

Join the engineers and procurement managers who source with confidence.

Become Our Next Success Story

Frequently Asked Questions about Metal Core PCBs

Quick technical answers for engineers and procurement professionals evaluating metal substrate solutions.

What is the difference between FR4 and Aluminum PCB Board?
The fundamental difference is thermal performance. Standard FR4 has a thermal conductivity of only 0.3–0.4 W/m·K, while aluminum PCB boards range from 1.0 to 8.0 W/m·K — delivering up to 20× better heat dissipation. FR4 uses woven fiberglass as its core, which traps heat near components. An aluminum PCB replaces this with a thermally conductive dielectric bonded to an aluminum metal base, creating a direct thermal path from your power components through the board to the heatsink or enclosure. Choose FR4 for logic circuits; choose metal core for anything generating significant heat.
Can you manufacture 2-layer metal core PCB with blind vias?
Yes, we manufacture double-sided metal core PCBs with plated through-holes and controlled-depth blind vias. The key engineering challenge is drilling through the dielectric layer without damaging the metal base — our CNC depth-controlled drilling achieves ±25μm accuracy. This capability allows you to route complex power control networks on two copper layers while maintaining the thermal benefits of the metal substrate underneath.
What files do I need to provide to get an accurate quote?
For the fastest and most accurate quote, please provide your Gerber files (RS-274X format), a drill file, and your board specification sheet noting required thermal conductivity, base metal type (aluminum or copper), dielectric thickness, copper weight, surface finish, and quantity. If you also have a BOM and pick-and-place files, we can quote PCBA assembly simultaneously. Our engineers will review everything and deliver a detailed technical quotation within 2 hours during business days.
What thermal conductivity do I need for high-power LED applications?
For standard commercial LED lighting (1–3W per LED), a dielectric conductivity of 1.0–1.5 W/m·K is sufficient and cost-effective. For high-power LED arrays (5W+ per LED or dense COB packages), we recommend 2.0–3.0 W/m·K dielectric materials. For extreme applications like automotive headlights or stadium lighting exceeding 10W per LED, consider 3.0 W/m·K or higher, or switch to a copper base PCB for maximum heat extraction. Our engineers can simulate your thermal profile and recommend the optimal spec.
What is your Minimum Order Quantity (MOQ)?
We have no strict MOQ. We support prototype orders as low as 5 pieces to help you validate your thermal design before scaling. Prototypes and mass production run on the exact same equipment with identical process parameters, so your approved prototype performance carries forward perfectly into volume production.
Do you provide DFM review for metal core PCB designs?
Absolutely — and it's free with every quotation. Our engineers review your Gerber files against our metal core manufacturing capability matrix, checking copper-to-edge clearance, minimum trace width, drill-to-metal-base distance, thermal relief pad design, and V-cut routing feasibility. We flag any DFM risks before production begins, helping you avoid costly re-spins and achieve first-pass manufacturing success.
How do you ensure the dielectric layer quality is genuine?
Every batch of dielectric material we receive undergoes incoming quality inspection including thermal conductivity verification and dielectric breakdown voltage testing. We provide raw material Certificates of Analysis (COA) and our in-house Hi-Pot test reports (≥ 3.0 kV) with every shipment. You never have to wonder whether the material inside your board matches the specification on the datasheet — we prove it with data.
How does the dielectric layer of an IMS PCB balance high thermal conductivity with electrical insulation?
We use high-performance Insulated Metal Substrates (IMS) with thermal conductivity ranging from 1.0 to 8.0 W/m·K. Our fabrication process keeps the dielectric layer ultra-thin for maximum heat transfer to the aluminum PCB board while maintaining a high breakdown voltage (up to 6 kV) to protect sensitive power electronics. This engineering balance ensures your components stay cool without compromising electrical safety margins.
What DFM considerations are critical for 2-layer Metal Core PCBs to avoid delamination?
For 2-layer Metal Core PCBs, we optimize the bonding process between the internal copper layers and the metal base. We recommend specific trace-to-edge clearance and a symmetric stack-up design to minimize internal stress during thermal cycling. This prevents the "popcorn effect" or delamination in high-heat environments — a common failure mode that less experienced manufacturers overlook until boards fail in the field.
How does QueenEMS verify the long-term reliability of Metal Clad PCBs for automotive or aerospace applications?
Every batch of Metal Clad PCBs undergoes rigorous thermal shock testing and Hi-Pot (High Potential) testing. We adhere to IPC-6012 Class 3 standards for mission-critical projects, providing X-ray inspection and micro-sectioning reports to verify the integrity of the insulation layer and solder joints. This documentation gives your quality and compliance teams full audit traceability from raw material to finished board.
Can you handle urgent NPI (New Product Introduction) for complex Metal Based PCB designs?
Yes — we specialize in urgent production for complex prototypes. Our engineering-driven team conducts a free DFM review within 2 hours of receiving your Gerber files, identifying potential manufacturing risks early. This means your Metal Based PCB project moves from design to pilot run without costly re-spins, keeping your NPI timeline on track even under aggressive deadlines.
Why should we choose Aluminum PCB over standard FR4 with heavy copper for LED projects?
While heavy copper FR4 can handle higher currents, it cannot match the vertical heat dissipation of an Aluminum PCB board. By switching to MCPCB, you can often eliminate expensive external heatsinks and reduce the overall device size. The result is a lower Total Cost of Ownership (TCO) and a more stable supply chain for your high-power LED modules — the board itself becomes part of your thermal solution rather than a thermal bottleneck.
How do you stabilize lead times for specialized materials like Copper Base or high-thermal substrates?
As a direct Metal Core PCB manufacturer, we maintain strategic stock of common Metal Clad laminates from Tier-1 suppliers. This allows us to offer stable 5–7 day lead times for standard aluminum boards and significantly shorter wait times for specialized copper-based projects compared to trading companies who must source materials on a per-order basis.
How can QueenEMS help reduce Time-to-Market for EV and power conversion products?
Our "Direct Factory" model removes communication bottlenecks. By working directly with our technicians who speak your technical language, you reduce the risk of misinterpretation during the Metal Core PCB fabrication process. Faster technical alignment means faster certification and a quicker path to market — a critical advantage in competitive sectors like EV charging and industrial power conversion.
What ROI can we expect by upgrading to high-conductivity IMS PCB solutions?
High-quality IMS PCBs significantly extend the MTBF (Mean Time Between Failures) of your power electronics. By reducing field failures and warranty claims — especially in the automotive and industrial sectors — your brand gains a reputation for reliability. The upfront investment in professional-grade thermal management pays back through lower after-sales costs, fewer product recalls, and stronger customer retention.

Have a specific technical question about your metal core PCB design?

Ask Our Engineering Team

Stop Waiting. Get Your Metal Core PCB Quote in 2 Hours.

Upload your design files and our engineers will perform a free DFM check, recommend the optimal dielectric and base metal, and deliver a detailed technical quote — all within 2 business hours.

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1-4/F Property Office Building,
ZhengFeng North Road,
Shenzhen, China 518103

Head Office

1/27, Soi Border 5, Bang Bon Tai,
Bang Bon, Bangkok 10150, Thailand

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