Quality Control Process
Stage 1: Incoming Quality Control (IQC)
Every incoming component is verified before entering production.
Incoming Metal Parts Inspection
↓
Salt Spray Testing
↓
Spectral Testing
↓
Dimensional Inspection
2. Plastic Components
Plastic Components Inspection
↓
Flame Retardancy Testing
↓
Material Verification
↓
Dimensional Inspection
3. PCB Boards
Incoming PCB Inspection
↓
Circuit Continuity Inspection
4. Varistors (MOV Chips)
Incoming MOV Inspection
↓
MOV Voltage Test
↓
Dimensional Inspection
Stage 2: In-Process Assembly (IPQC)
Automated assembly and in-process testing ensure manufacturing consistency.
Base Housing Assembly
↓
Base Assembly
PCB Soldering
↓
Continuity Testing
↓ (Two Tracks Merge Here)
Integrated Base Assembly
Line B: Independent MOV Assembly
MOV Module Assembly
↓
Voltage Verification
↓
Chip/Core Assembly
↓ (Final Integration of Assembly) ↓
Final Assembly
Final Merging of Base Assembly & Varistor Core Module
Stage 3: Outgoing Quality Control (OQC)
Every finished SPD undergoes comprehensive quality verification before shipment.
Quality Inspection & Dispatch
1. Sampling Inspection (Including Destructive & Impulse Tests)
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2. Professional Packaging & Barcoding
↓
3. Global Shipping