PCB Quality Assurance & Certifications

A low price usually raises one question: what did they cut? Here is our answer — nothing. Every board passes IQC, IPQC, FQC and OQC. Our prices are low because there is no middleman, and this page shows exactly how quality is controlled.

Quality Management System

ISO 9001Quality Management System
IATF 16949Automotive QMS — certificate CN048380, valid to 2027
ISO 14001Environmental Management
ISO 45001Occupational Health & Safety
QC 080000Hazardous Substance Process Management
ULUL Recognized — file E336650 (verifiable in UL Product iQ)
CQCProduct certificates for single-sided, double-sided & multilayer

Certificate originals and scanned copies are available on request with your inquiry.

Certificate numbers and downloadable documents are on the Certifications page. This system is built on our own facility and equipment — see the Company Profile page for our factory background.

QC Process

IQC (Incoming QC)
Material inspection before entering the warehouse.
IPQC (In-Process QC)
Inspection at each production step.
FQC (Final QC)
100% electrical test, AOI, and visual inspection.
OQC (Outgoing QC)
Final audit before shipment.

The test equipment behind FQC and IPQC is detailed on the Manufacturing Capabilities page, alongside our full technical specifications.

Testing Laboratory

Coordinate Measuring Machine in the Yongzhao Electronics PCB test lab
Coordinate Measuring Machine
X-Ray Tester in the Yongzhao Electronics PCB test lab
X-Ray Tester
Impedance Tester in the Yongzhao Electronics PCB test lab
Impedance Tester
Chemical Lab in the Yongzhao Electronics PCB test lab
Chemical Lab

Compare Us Against Your Current Supplier

Send us the same Gerber files and requirements you sent them — factory-direct quote and free DFM review within 24 hours. Worst case, you walk away with a bargaining chip for your next negotiation. Best case, you cut your board cost for years to come.

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