Our strict quality control standards cover every stage of PCB and PCBA production, ensuring that each product meets international quality requirements and customer specifications.
First Pass Yield
Inspection Coverage
Critical Defects
Our quality control process covers 8 key stages from raw material inspection to finished product delivery
Strict incoming quality control for all raw materials including PCB substrates, copper foils, solder paste, components, and packaging materials.
Multi-stage inspection during PCB production to ensure dimensional accuracy and performance compliance.
Comprehensive final inspection before PCB assembly to ensure all specifications are met.
Quality control during component preparation before SMT placement.
Real-time quality control during surface mount technology processes.
Quality control for through-hole technology and manual assembly processes.
Comprehensive electrical and functional testing of assembled PCBA.
Final quality assurance before product delivery to customers.
We strictly follow international IPC standards for all inspection processes:
Our quality control lab is equipped with state-of-the-art inspection equipment:
We implement multiple quality control methodologies:
| Defect Class | Description | Acceptance Criteria | Handling Process |
|---|---|---|---|
| Critical (CRI) | Defects that may cause safety hazards, functional failure, or non-compliance with regulations | 3 PPM (Zero tolerance) | Immediate production stop, root cause analysis, corrective action plan |
| Major (MAJ) | Defects that affect product performance or reliability but not safety | < 100 PPM | Quarantine, 100% rework/inspection, process improvement |
| Minor (MIN) | Cosmetic defects that do not affect performance or reliability | < 500 PPM | Customer approval required, continuous monitoring |
| Cosmetic (COS) | Surface defects with no functional impact | Per customer specification | Visual inspection, customer notification |
Our quality management system and products comply with international standards and certifications
Quality Management System
Environmental Management System
Automotive Quality Management
Medical Device Quality System
Restriction of Hazardous Substances
Registration, Evaluation, Authorization of Chemicals
Safety Certification
PCB Performance Standards
We can customize quality control processes and inspection standards according to your specific requirements, including military-grade, aerospace-grade, and medical-grade quality standards.
Every product undergoes comprehensive inspection before delivery, with complete inspection records and traceability.
Our first pass yield rate exceeds 99.8%, far above industry average, ensuring consistent product quality.
We provide 30-day quality guarantee and rapid response to quality issues, with professional technical support team.
