Arts & Crafts > Art Supplies > Drawing & Lettering Tools > Markers & Highlighters > Brush Pens
36 Colors Watercolor Brush Pens Kit AL-K72
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 low ink quality and inefficient cap seal (ENG-001, ENG-003) lead to rapid pen drying, causing dissatisfaction and returns (RMA-001, RMA-005), reflected in negative reviews (REV-001, REV-005).
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