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sales@unitcircuits.com

sales@unitcircuits.com

PCB Manufacturing Process Guide | BOM, Cost, Factory Audit & Production Tips

Discover how PCB manufacturing works from factory floor to final delivery. Learn about BOM analysis, design for manufacturability (DFM), cost optimization, and quality assurance practices. Ideal for engineers, hardware startups, and buyers sourcing from China or Asia.

1 pcb e test fixture setup

What is a PCB Assembly E-Test Fixture?

An E-test fixture for PCB assemblies, also known as a “bed-of-nails,” checks to see if your PCBs are connected right, if they have the right amount of resistance, and if they have the right amount of capacitance by touching test points with spring-loaded probes. This is a really important part of making sure that you’re making good PCBs when you’re making a lot of them.

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How to Audit an SMT Assembly Factory: A Step-by-Step Guide

Auditing an SMT assembly factory in China? Use this step-by-step EMS supplier audit checklist to evaluate production quality, key equipment like pick-and-place machines and reflow ovens, ISO 9001 and IPC-A-610 certifications, humidity control, and traceability. Learn how to choose reliable, tested, and fast-delivery EMS providers with no MOQ.

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Unit Circuits: Leading PCBA Manufacturer
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Leading PCBA Manufacturer

✅ Assemble 20 PCBAS for $0 ✅ Get $100 OFF – Risk-Free Trial!