PCB Fabrication and Assembly from Prototype to Production

Topline Circuit supports PCB layout, fabrication, component sourcing, assembly, inspection, and testing for prototype and production projects.

Why Topline Circuit

Keeping Your PCB and PCBA Project Moving from Prototype to Production

Whether your project requires quick-turn PCB fabrication, prototype assembly, or production support, Topline Circuit provides the manufacturing and technical support needed to move it forward.

Quick-Turn PCB Fabrication

Get quick-turn PCB fabrication based on your board specifications, materials, order quantity, and production requirements.

Automated SMT productionlinefor PCB assemblyand prototype production

Solutions

PCB Solutions from Layout to Assembly

PCB Layout

PCB layout support using Altium, Allegro, and Mentor PADS for projects moving toward fabrication.

PCB Fabrication

Custom rigid, flex, rigid-flex, HDI, RF, high-frequency, and other PCB technologies.

PCB Assembly

Component sourcing, SMT, THT, BGA, mixed assembly, inspection, programming, and testing.

PCB Prototyping

PCB and PCBA prototypes for design validation before the project moves into production.

The Topline Circuit Difference

Small PCB Details Can Create Bigger Production Problems

PCB and PCBA projects involve many connected details, from board specifications and materials to component selection and assembly requirements. If these details are not handled correctly, they may cause rework, additional costs, or production delays.

Topline Circuit combines manufacturing experience with practical engineering support to help identify potential issues and keep your project requirements clear before production begins.

Integrated Support

PCB fabrication, component sourcing, assembly, and testing within one coordinated service.

Engineering Expertise

Practical technical support based on your project files and production requirements.

Responsive Communication

Clear responses on technical questions, approvals, and project progress

Our Facility

Integrated PCB Manufacturing and Assembly in Shenzhen

Our Shenzhen facility brings PCB fabrication, assembly, inspection, and testing together at one location. This integrated setup helps us coordinate each production stage, respond to project needs, and maintain clear control from prototype to production. Our engineering and manufacturing teams work closely to support complex PCB projects.

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Years of PCB and PCBA Manufacturing Experience

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Team Members Across Engineering and Production

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PCB and PCBA Units Delivered

Certifications

Quality and certifications

ISO 9001 certified quality management for PCB manufacturing

IPC standards for PCB manufacturing and assembly

What Our Clients Say

“Project files are checked before production. Missing polarity notes and unclear assembly details are confirmed early.”

Clear File Review

Hardware engineering

“X-ray images, AOI records, and inspection notes make technical review easier for the customer team.”

Useful Inspection Records

Quality engineering

“Questions, approvals, and production updates are short, clear, and tied to the project schedule.”

Clear Project Updates

Purchasing

“Prototype requirements and small production batches follow the same approved files and inspection points.”

Consistent Build Requirements

R&D management

“Programming, functional test, and inspection requirements are confirmed before assembly starts.”

Test Planning

Product engineering

“Finished PCB and PCBA orders are packed for the board type, component height, and shipping method.”

Packaging and Delivery

Project buying

Let’s Bring Your Next PCB Project to Life