TISAS stands for highest quality, which you would not expect in this price range. TISAS pistols are characterized by their accuracy fit, very precise triggers and very high-quality processed materials such as QPQ coatings, chromated barrels, etc. Even the magazines are from very high quality and come from Mec-Gar.
TISAS is a Turkish gun manufacturer, founded in 1993, based in Trabzon. TISAS is specialized in the production of 1911 pistols, but produces polymer- and aluminum pistols and AR15 systems as well.