Arts & Crafts > Art Supplies > Pens & Pencils > Gel Pens
24 Colors Glitter Gel Pens Set AL-K90
Brand: Generic / OEM
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Audited BOM: 7 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
Inadequate viscosity of the glitter gel ink (ENG-001) causes irregular flow, leading to pens that skip or fail to write (RMA-001), as reported by consumers (REV-001).
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