2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/176686In this talk, I briefly review several models of the heavy quarkonium production at collider energies, and discuss the status of QCD factorization for these production models.7 pages, 12 figures, Talk presented at the Conference on Quark Confinement and Hadron Spectrum VII, Ponta Delgada, Portugal, 2-7 September, 2006High Energy Physics - PhenomenologyQCD Factorization for heavy quarkonium production at collider energiestext