+86(755) 27944155 sales@knownpcb.com

KnownPCB

Reliable PCB Manufacturing Backed
By Structured QA & DFM Support


Helping design engineers avoid hidden manufacturing risks through standardized testing, material control, and certified quality systems.

Quality Management
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Quality That Enables Your Design 

To Launch-to-market With Confidence


Designed for small–medium batches + complex PCB builds, our quality system focuses on what design engineers and purchasing teams need most:


Why Our Quality Matters

  • Built for industrial, medical, instrumentation, IoT, and power electronics
  • DFM-first: issues prevented before fabrication
  • Stable repeatability across batches
  • Clear communication for non-specialist purchasing engineers
  • Compliance-ready (ISO/IATF/UL — factory to provide details)

Quality Management





Certification & Compliance System

We comply with industry-recognized quality and safety standards.

Certified System:

ISO 9001

IATF 16949

UL Certification E361860

RoHS / REACH compliance

IPC internal training & workmanship certification (A-600/A-610 if applicable)

Quality Management
Certificates
Certificates
IATF16949
IATF16949
ISO9001-2021
ISO9001-2021
REACH SVHC 211
REACH SVHC 211
RoHS10
RoHS10

How We Ensure PCB Quality

(Short, Essential Points)

Quality Management

Engineering-First Prevention

Full DFM & stackup validation Impedance and material confirmation.

Risk checks: HDI, RF, microvias, heavy copper.

Quality Management

Tight Process Control

Lamination, drilling, plating, etching under traceable control.

SPC monitoring for key parameters.

Consistent solder mask & surface finish.

Quality Management

Comprehensive Inspection

100% electrical test.

AOI inner/outer layers.

Microsection & plating thickness checks.

Final cosmetic inspection per IPC

Quality Management

Reliability Assurance

Thermal stress / solderability.

Via integrity / CAF risk evaluation.

Environmental/humidity tests (on request)

Quality Management

Compliance & Documentation

Material traceability.

CoC included in every shipment.

UL/ISO/IATF.

See Full QA Process (FAQ) Request a DFM Review

That’s how we make for excellence

Get More by Less

You can submit files via our Message Box for a DFM check and pricing.

Proven by 7 industries, 4000+ customer projects

Quality Management

Please contact us at sales@knownpcb.com, ask for engineering support here or use the form below to reach out to KnownPCB

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