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7W Dual Voltage LED Star String Lights AL-4864
Brand: Generic / OEM
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Audited BOM: 10 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The low-quality power supply (ENG-001) is the root cause of premature product failure (RMA-001), leading to customer dissatisfaction (REV-004).
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