Turnkey PCB Solution

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

PCB Manufacturing

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

Parts Procurement

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

PCB Assembly

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

DFM Check

PCB Fabrication

Components Sourcing

SMT + Reflow

DIP + Wave

Inspection & Testing

Global Shipping

PCB Fabrication

We deliver high-quality PCB manufacturing solutions, from 1-48 layers, including HDI, high-frequency, IMS, rigid-flex PCBs. With modern facilities, 15 years of expertise, and prototypes to mass production capabilities, we ensure excellence quality beyond your expect.

15 Years of Oversea Experience

Rich experience in PCB manufacturing, we deliver high quality PCBs across various industries.

State-of-the-Art Equipment

Continuous improvement, modern facility with Cedal laminator, VCP, LDI, AVI in house.

Prototype to Production Qtys

No order too big, NO order too small, even one single piece we care.

Strong Capability

1~48 Layers, HDI, High Frequency, IMS, FPC, Rigid-flex PCBs, we have got you covered.

Parts Procurement

We offer exceptional parts sourcing services, ensuring quality components at competitive prices. From rare parts to bulk orders, we efficiently streamline the supply chain to meet your production needs

Strong Supply Chain

With 10+ years of experience, we guarantee high-quality parts, competitive pricing, on-time delivery, and 100% genuine parts.

100% Genuine Componentsen

Sourcing directly from parts manufacturers and authorized distributors, ensure the quality of the components secured.

BOM Optimization

Recommend substitute parts to reduce costs and enhance your product competitiveness effectively.

Inventory Management

FIFO, anti-static, dust-proof, temperature-controlled warehouse for high-value components.

PCB Assembly

We provide PCB assembly services with skilled engineering, streamlined production processes, and strict quality control to ensure excellent performance and durability for all your electronics manufacturing needs.

SMT + DIP

10 SMT lines (including 4 for prototype and 6 full SMT lines with oven for production); two DIP lines in house.

24 Hours Quickturn

As quick as 24 hours to meet your time critical project requirement, not only prototype but also small quantity runs.

Kitted or Partial Kitted

We are flexible, we prefer turnkey PCB Assembly while kitted or partial kitted also welcome.

Turnkey PCB Assembly

All components inclduing the PCBs made by us, you can save a lot of time and energy.

About Union

Established in 2010, Union Circuits is a leading PCB manufacturer and exporter specializing in quick-turn prototypes and small-to-medium volume production. Based in Shenzhen, our state-of-the-art facility ensures high-quality, fast-turnaround PCBs to meet your diverse project needs.

Since 2014, we’ve expanded into full PCB Assembly services, supported by 10 advanced SMT lines(4 dedicated to prototypes and 6 for production). This allows us to deliver end-to-end solutions, from fabrication to assembly, all under one roof. Committed to innovation and efficiency, we provide reliable, cost-effective PCB solutions for global clients.

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What Sets Us Apart

LDI
Advanced Equipment

LDI Exposure, VCP Line, Vacuum Etching, AVI, 3D SPI, Fuji mounter, Online AOI, X-ray, etc...

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Strong Capability

Up to 48 Layer FR4 PCB, Rogers, Arlon, Taconic, metal core, FPC, rigid-flex PCBs etc.

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Top Quality

Customer satisfaction rate >98%, quality always beyond your expect.

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Competitive Pricing

Affordable Excellence – Superior PCBs at Unbeatable Prices.

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Rich Experience

15 years rich experience , cost optimization solution, save your time to market.

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Customer Oriented

Prioritize understanding and meeting client needs to ensure satisfaction and build loyalty.

flexible
Flexible & Easy to talk

Flexible lead time with affordable prices, no hidden cost.

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Turnkey Solution

PCB manufacturing, components sourcing, PCB Assembly, all under one roof.

what Our Clients Say About Us

As a startup in the tech industry, time and quality are of the essence for us. Union Circuits exceeded our expectations with their Quick-turn PCB service. Their team's professionalism and attention to detail ensured our prototype was not only delivered on time but with impeccable quality. We couldn't be more satisfied.

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Ishita Malhotra

Purchasing Manager

Union Circuits made a seamless experience for us. Their strong manufacturing capabilities, ensured our projects were completed to the highest standards. We highly recommend their services to anyone looking for a reliable PCB manufacturing partner..

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Kylo James

Stratage Purchasing

Union Circuits has consistently impressed us with their Quick-turn PCB service. Their commitment to speed, quality, and excellent communication made a significant difference in the success of our projects. We highly recommend their services to anyone who values timely delivery and exceptional craftsmanship.

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Ella Perez

Buyer Planner

You are the champion, consistently delivering excellence that not only meets but exceeds our expectations. We will certainly continue order more. Thanks a lot!!

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Elsie Ross

Account Manager

Switch to Union

Free samples for qualification upon request. Free tooling when you switch to us, for production orders only.