Arts & Crafts > Art Supplies > Drawing & Painting Supplies > Markers & Highlighters > Stamp Pens
24 Colors Acrylic Stamp Pens Ka-B13
Brand: Generic / OEM
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Audited BOM: 6 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 failure in the valve mechanism seal (ENG-001) causes ink to leak from the tip (RMA-001), leading to customer complaints (REV-001).
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