Golden Rules for Choosing a Hair Factory (so you don’t waste money on “pretty samples” and bad repeat orders): Don’t judge by one sample — ask how they keep consistency order after order. Lock the specs early: hair grade, length tolerance, grams per bundle, track build, color notes. Verify QC checks that matter: shedding, tangling, elasticity, color stability, track neatness. Confirm lead time capacity with a realistic timeline (not promises). Choose a factory that speaks in production details,