As a purchasing novice, how can I avoid being misled by extrusion blow molding machine suppliers?

As a purchasing novice, how can I avoid being misled by extrusion blow molding machine suppliers?

As a purchasing novice, how can I avoid being misled by extrusion blow molding machine suppliers? Buying your first industrial machine is terrifying. You are afraid of losing your budget, buying a machine that does not work, or getting scammed by a company thousands...