A PCB assembly house builds functional boards—placing components, soldering, testing, and shipping ready-to-use assemblies. A PCB manufacturer only makes bare boards. That gap is where most project delays, quality issues, and cost overruns happen.
Key Selection Criteria
Capacity Fit: Match their SMT line count and daily placement volume to your peak demand. Avoid houses that rely on constant overtime to meet your forecast.
Process Precision: Demand proof of capability for your specific needs—01005 handling, 0.35mm BGA pitch, or tight impedance control. Don’t settle for generic “high-precision” claims.
Material Control: Require full traceability via MES. Insist on a documented IC decoding process and X-ray inspection for all incoming BGAs. Avoid brokers; use houses with direct franchise agreements with major component suppliers.
QA System: Verify IPC-A-610 workmanship standards on the floor. Require AOI, SPI, and ICT as standard, not upsells. Ask for their DPMO data—anything above 500 is a red flag.
Lead Time Control: Check if they own their stencil and fixture fabrication. Outsourcing these adds 3–5 days of hidden risk. Confirm real-time WIP tracking access.
Compliance: Validate UL, ISO 9001, and ISO 13485 (for medical) certifications. For automotive, IATF 16949 isn’t optional.
Post-Sales Support: Ensure an English-speaking FAE is assigned pre-production. Test their response time by asking a technical question before signing. Slow replies now predict worse support later.
A professional PCB assembly house bridges design and mass production. Prioritize process control, supply chain ownership, and verified QA metrics over price. The lowest quote rarely delivers the lowest total cost.
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Email: all@poe-pcba.com
Whatsapp: 85292069596
Tel: 0755-25312250/ +8613798543496
Factory Address: Floor 3, Jinyuan Industrial Park, No. 56, Tangtou Avenue, Shiyan Town, Baoan District, Shenzhen China
