Turnkey PCB Solution

From prototype to production, we deliver consistent quality, dependability, on-time delivery, and prompt responsiveness.

One-Stop Shopping PCB Manufacturing and Assembly

We’ve got you covered for both Quick turnaround Prototype and Production quantities.

free DFM check

Gerber Input

Free DFM Check,
Layout Optimization,
EQ Confirmation

PCB Manufacturing

PCB Fabrication

1~48 Layer Rigid,
1~8 Layer Flex,
2~16 L Rigid-flex

Components Sourcing

Parts Procurement

Hard-To-Find Components Sourcing,
Supply Chain Management,
Stock Management

PCB Assembly

PCB Assembly

SMT + 12 Heating Zones Reflow Oven,
DIP + Wave Soldering,
Conformal Coating,
Cable wire harness Assembly

Testing and Inspections

Inspections & Testing

FAI, 3D SPI, AOI, 3D X-Ray, Functional Testing

Cable and Wire Harness Assembly

Global Shipping

Shipment via DHL / FedEx / UPS Express, Air / Sea

PCB Manufacturing tailored to Your specific needs

Your most reliable PCB manufacturing partner located in Shenzhen, China. We are proud to be leading the way in PCB innovation. Our ultimate goal is to deliver the best quality PCBs for every project we undertake, to satisfy each clients from the worldwide. With our state-of-the-art equipment and a dedicated team of professionals we have set new benchmarks in the industry.

Partner with us for exceptional service, fast turnaround times, and a commitment to excellence that drives innovation in electronics manufacturing. Your vision, our expertise – together, we bring your ideas to life.

Union Circuits: Efficient Parts Procurement

Union Circuits excels in smooth and efficient parts procurement. We effectively manage global supply chain challenges to ensure uninterrupted production. Our strategies guarantee a steady flow of components, crucial for our high-quality PCBs and FPCs.

Tackling Rising Costs

We monitor market trends and use our strong supplier network to negotiate better prices, helping clients save costs without compromising quality.

Quality Control

Our strict quality measures ensure consistent standards across suppliers. Regular audits and clear quality guidelines guarantee that all components are genuine and high-standard.

Reliable Suppliers

Our extensive network of trusted suppliers means we can quickly find alternatives during disruptions, ensuring a consistent supply of quality components.

Partner with Us

Work with Union Circuits for tailored sourcing strategies that meet your specific needs, ensuring timely, cost-effective, and quality component delivery. Contact us for a reliable partnership in component supply.

Quick turn PCB Assembly

Union Circuits provides a full range of PCB manufacturing, part procurement as well as PCB assembly services to meet all our clients needs.

Assembly Types

SMT + Reflow Soldering, DIP + Wave Soldering, Single-sided SMT, Double Sided SMT, Conformal Coating, Injection Molding, Cabel and Wire Harness Assembly

Component Types

Passives, smallest size 01005,
Fine pitch to 0.8 mil,
Leadless chip carriers/ BGA, VFBGA, FPGA & DFN,
Connectors and terminals

Turn Times

Quickturn (1~5 days)
Standard (10 days)
Scheduled Deliveries


Prototype ~ Production

About Union

Union Circuits is among the very few PCB manufacturers and assembly houses, who have the capability to design and develop printed circuit boards that match the exact requirements and specifications given by the clients. Also, we are known for our fastest turnaround times in the industry.

Our well-equipped facility consisting of all the advanced, and state-of-the-art machinery makes this possible.

Advanced PCB manufacturing equipment: LDI Exposure, CEDALElectricLaminator, VCP Line, Online AOI, AVI(AppearanceVisual Inspection), Legend Inkjet Printer, MES System…

Advanced PCB Assembly equipment: SPI, FAI(First Article Inspection), FUJI NXT III, FUJI AIMEX, FUJI XPF, Lead-free 12-temperature-zone Reflow oven(Nitrogen), Online AOI, 3D XAY, BGA Rework station, Wave soldering, MES System…

Why Choose Union for Your PCB Assembly Requirements?

Apart from being a Made in China PCB Assembly factory, the following are some of our key points that would benefit you, when you choose to buy the services from us:

Expert of both PCB Manufacturing and PCB Assembly

We have the capability to manufacture PCBs with almost all types of assembly technologies.

Rich experience and technical strength, 15 years exporting experience

UnitPCB Assembly provides custom PCB assembly services to meet your specific requirements.

A deep understanding of your needs pain points

We employ different testing techniques to ensure defect-free PCB assembly services in quick turnaround times and fast delivery.

To provide comprehensive one-stop solution

We can provide PCB assemblies in small, as well as large volumes.

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Judith Black

CEO at PureInsights

Contact us now

Are you looking for quality printed circuit board manufacturing and assembly partner? We are just a call away. Reach out to us at +86 755 2976 9763, or email us at [email protected].