PCBA Contract Manufacturing Services
- From SMT to Functional Testing
Work with one team for PCB fabrication, components sourcing, assembly, coating, programming, and test so your project moves from prototype to production with clearer timelines, controlled changes, and fewer handoff risks.
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SMT and DIP assembly aligned to your BOM, layout
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Coating, programming, and test options matched to your reliability and compliance needs
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Prototype to production support with traceability, reporting, and controlled process changes
Solving Your Manufacturing Headaches
Managing PCB fabrication, sourcing, assembly, coating, and testing across multiple vendors creates quoting delays, communication gaps, and avoidable quality risk.
We bring those steps under one manufacturing team.
Supply Chain Security
"Traceable Components Only."
We source exclusively from authorized distributors (Digi-Key, Mouser) or direct manufacturers to prevent counterfeit parts.
Quality Assurance
Strict Quality Control Process.
Standard AOI & X-Ray inspection included. We offer custom Functional Testing (FCT) to ensure every board works before shipping.
English-Speaking Project Support
No language barriers.
Our project managers and engineers speak fluent English, ensuring your technical requirements are perfectly understood.
Save Time and Coordination Effort
You save time cost & energy.
You get professional PCB assembly, molds, wire harnesses, coating, and packaging managed at one-stop.
Choose the Manufacturing Services Your Project Needs
SMT Assembly
01005, 0201, BGA, FPGA placement with Yamaha/Panasonic Pick & Place Machines.
DIP / THT Assembly
Manual and automated wave soldering for through-hole components and connectors.
BGA / FPGA Assembly
High-precision placement and X-ray inspection for complex BGA and FPGA packages.
IC Programming & Functional Testing
Automated firmware programming and comprehensive verification for programmable devices and systems.
Conformal Coating
Automated spraying for moisture, dust, and chemical protection (Acrylic, Silicone, Urethane ).
In-House Parylene Coating
In-house parylene coating equipment provides ultra-thin, pinhole-free protection against moisture, chemicals, and corrosion.
PCBA Manufacturing Capabilities at a Glance
Compare the core PCBA services available at ACE Electronics, from SMT and through-hole assembly to BGA inspection, firmware programming, coating, and final box build support.
| Service Area | What We Support | Quality Controls | Best Fit |
|---|---|---|---|
| SMT Assembly | 01005 / 0201 passives, BGA, QFN, fine-pitch ICs, single- and double-sided SMT builds. | Stencil review, SPI, AOI, reflow profile control, X-Ray for hidden joints when required. | High-density boards, industrial controllers, IoT modules, and prototype-to-volume projects. |
| Through-Hole / THT Assembly | Connectors, transformers, relays, large capacitors, high-current terminals, and mixed-technology PCBAs. | Selective soldering, wave soldering, hand soldering, visual inspection, and IPC-A-610 acceptance checks. | Power electronics, automotive modules, industrial controls, and products needing mechanical strength. |
| BGA / FPGA Assembly | BGA, FPGA, QFN, fine-pitch packages, high-density multilayer boards, and rework support. | X-Ray inspection, solder joint review, voiding checks, reballing/rework options, and process feedback. | High-reliability control boards, medical electronics, communication modules, and advanced industrial PCBAs. |
| IC Programming & Functional Testing | Firmware flashing, serialization, JTAG/SWD/SPI/UART support, custom FCT fixtures, and end-of-line testing. | Firmware version control, checksum records, ICT/FCT logs, serial number tracking, and pass/fail reports. | Connected devices, sensor boards, motor controls, wireless modules, and products requiring 100% functional verification. |
| Conformal Coating | Acrylic, silicone, and urethane coating for moisture, dust, vibration, and chemical exposure. | Masking control, UV inspection, coating coverage checks, and thickness verification when required. | Outdoor electronics, industrial controls, automotive modules, and boards exposed to harsh environments. |
| In-House Parylene Coating | Vapor-deposited parylene protection for fine-pitch assemblies, sensors, modules, and high-reliability PCBAs. | Selective masking, run traceability, visual checkpoints, and optional witness coupon thickness verification. | Moisture-sensitive electronics, corrosion protection, hydrogen/energy systems, medical and industrial applications. |
| Box Build & Final Assembly | Wire harnesses, enclosures, labeling, packaging, final assembly, and system-level integration. | Assembly traveler, final functional test, packing checks, and shipment documentation. | OEMs that want one accountable partner from bare PCB to ready-to-ship electronic product. |
What We Support
01005 / 0201 passives, BGA, QFN, fine-pitch ICs, single- and double-sided SMT builds.
Quality Controls
Stencil review, SPI, AOI, reflow profile control, X-Ray for hidden joints when required.
Best Fit
High-density boards, industrial controllers, IoT modules, and prototype-to-volume projects.
What We Support
Connectors, transformers, relays, large capacitors, high-current terminals, and mixed-technology PCBAs.
Quality Controls
Selective soldering, wave soldering, hand soldering, visual inspection, and IPC-A-610 acceptance checks.
Best Fit
Power electronics, automotive modules, industrial controls, and products needing mechanical strength.
What We Support
BGA, FPGA, QFN, fine-pitch packages, high-density multilayer boards, and rework support.
Quality Controls
X-Ray inspection, solder joint review, voiding checks, reballing/rework options, and process feedback.
Best Fit
High-reliability control boards, medical electronics, communication modules, and advanced industrial PCBAs.
What We Support
Firmware flashing, serialization, JTAG/SWD/SPI/UART support, custom FCT fixtures, and end-of-line testing.
Quality Controls
Firmware version control, checksum records, ICT/FCT logs, serial number tracking, and pass/fail reports.
Best Fit
Connected devices, sensor boards, motor controls, wireless modules, and products requiring 100% functional verification.
What We Support
Acrylic, silicone, and urethane coating for moisture, dust, vibration, and chemical exposure.
Quality Controls
Masking control, UV inspection, coating coverage checks, and thickness verification when required.
Best Fit
Outdoor electronics, industrial controls, automotive modules, and boards exposed to harsh environments.
What We Support
Vapor-deposited parylene protection for fine-pitch assemblies, sensors, modules, and high-reliability PCBAs.
Quality Controls
Selective masking, run traceability, visual checkpoints, and optional witness coupon thickness verification.
Best Fit
Moisture-sensitive electronics, corrosion protection, hydrogen/energy systems, medical and industrial applications.
What We Support
Wire harnesses, enclosures, labeling, packaging, final assembly, and system-level integration.
Quality Controls
Assembly traveler, final functional test, packing checks, and shipment documentation.
Best Fit
OEMs that want one accountable partner from bare PCB to ready-to-ship electronic product.
Our Electronics Manufacturing Services for Critical Industries
We partner with companies that need more than cheap assembly. You need clear records, tested quality, and proof that every board works.
Proven Solutions for Complex Challenges
Fragmented Supply Chain & Quality Risks
The client, a brand owner, was managing 5 different suppliers for PCB, components, molding, and assembly. This led to high communication costs, mismatched tolerances, and delayed time-to-market. They needed a partner to centralize the process without compromising quality.
One-Stop Integration
- Consolidated Manufacturing: Handled PCB, PCBA, Cable, and Custom Molding under one roof.
- Strict QC: Implemented custom functional testing for wireless connectivity.
- Result: Reduced total costs by 18% and shortened lead time by 3 weeks.
High-Voltage Reliability & Component Shortages
A solution design house needed low-volume production for high-voltage industrial controls. The design required 10+ layer PCBs and specific EU/US components that were facing global shortages. Reliability was non-negotiable.
Stable Sourcing & Precision 0201 SMT Assembly
- Global Sourcing: Optimized Parts Cost through our 15-year supplier network.
- High-Mix Capability: Delivered 10-layer heavy copper PCBs with zero defects.
- Result: Successfully launched pilot run with 99.8% yield rate.
Quality Evidence You Can Request
For engineering and purchasing teams, quality is not a slogan. It is the inspection data, traceability record, and test evidence that prove each assembled board was built and verified against the agreed requirements.
Inspection evidence from the production floor
AOI, X-Ray, and first article inspection records help engineering and purchasing teams verify that each PCBA batch was built against the agreed requirements.
AOI Inspection
Automated optical inspection checks component presence, polarity, orientation, solder bridges, and visible placement defects after SMT assembly.
X-Ray for Hidden Joints
X-Ray inspection is used for BGA, QFN, CSP, and other hidden solder joints where visual inspection cannot confirm solder quality.
First Article Inspection
FAI confirms the first build against BOM, placement, polarity, soldering, and critical dimensions before the rest of the batch is released.
ICT / FCT Options
In-circuit testing and functional circuit testing can be planned around your test points, firmware, communication interfaces, sensors, and pass/fail criteria.
Traceability Records
Lot, serial number, component sourcing route, firmware version, coating run, and test status can be linked when your program requires stronger traceability.
Documentation Package
Depending on project needs, you can request inspection photos, test logs, CoC, packing records, and shipment documentation with your PCBA order.
How Your PCBA Projects Move From Files to Shipment at ACE Electronics
A structured workflow reduces quoting delays, catches manufacturability issues earlier, and keeps production aligned with your requirements.
Upload Files
Send BOM, Gerber, drawings, and project requirements for review.
Free DFM Check
We check manufacturability, identify risks, and quote.
Procurement & Fabrication
Fabricate PCB, and components are sourced through approved supply channels.
Assembly & Verification
SMT, THT, coating, programming, and test are performed based on your project and inspection needs.
Packing & Delivery
Assembled PCBs are packed for safe transit with shipping support and documentation as required.
PCBA Contract Manufacturing FAQs
Q
What files do I need to submit for a PCBA quote?
What files do I need to submit for a PCBA quote?
We require Gerber files (RS-274X format), BOM (Bill of Materials) in Excel/CSV format, and Pick-and-Place (Centroid) files for SMT assembly. For programming and testing requirements, please include test procedures or firmware files. Our DFM team will review your files within 24 hours.
Q
Do you provide component sourcing services?
Do you provide component sourcing services?
Yes, we offer full turnkey component sourcing through our global procurement network. We source exclusively from authorized distributors (Digi-Key, Mouser) or direct manufacturers to prevent counterfeit parts. We also provide BOM kitting, shortage sourcing, and cost-down alternatives for high-volume production.
Q
What is the difference between SMT and THT assembly?
What is the difference between SMT and THT assembly?
SMT (Surface Mount Technology) places components directly onto the PCB surface using pick-and-place machines—ideal for 01005, 0201, BGA, and high-density designs. THT (Through-Hole Technology) inserts leads through drilled holes for stronger mechanical bonds, used for connectors, transformers, and high-power components. We support both technologies in a single assembly process.
Q
What quality control measures do you implement?
What quality control measures do you implement?
Our IATF 16949 and ISO 9001 certified process includes: Automated Optical Inspection (AOI) after SMT, X-Ray inspection for BGA/QFN components, In-Circuit Testing (ICT), and custom Functional Circuit Testing (FCT). We maintain 100% traceability by lot or serial number and offer detailed inspection reports upon request.
Q
Can you handle BGA and high-density components?
Can you handle BGA and high-density components?
Absolutely. We specialize in BGA, FPGA, and 0201/01005 pitch components using Yamaha/Panasonic high-precision pick-and-place machines. Our X-Ray inspection system verifies BGA solder joint integrity, and we support microvias down to 0.075mm for HDI applications. Lead-free and halogen-free processes are available.
Q
What is the typical lead time for PCBA production?
What is the typical lead time for PCBA production?
Prototype (1-50 pcs): 10-15 working days.
Low Volume (50-500 pcs): 10-15 working days.
High Volume (500+ pcs): 3-4 weeks depending on component availability.
We provide 24-hour quotes and DFM feedback to accelerate your time-to-market.
Other Assembly Services Available
If your project requires more than PCB assembly, we also support components sourcing, PCB fabrication, and electromechanical integration.
PCB Fabrication
HDI, high-frequency, rigid-flex and multilayer PCBs. Matched with your BOM sourcing for design-for-manufacturability optimization.
View PCB CapabilitiesComponent Sourcing
Global procurement network for active, passive, and electromechanical parts. BOM kitting, shortage sourcing, and cost-down alternatives.
Explore Sourcing ServicesBox Build Assembly
Complete electromechanical integration from your sourced components. Enclosures, cable harnesses, and final functional testing.
View Box Build ServiceNeed one partner to coordinate fabrication, sourcing, assembly, and final integration?
Explore Turnkey SolutionsRequest a Quote for Your PCBA Today!
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