... 80/100/120 Series 1. Purpose and character 1.1 Purpose:Cutting work-piece easily, high efficiently, perfectly and cheaply, including ... ,but capable to cut stainless, aluminium, copper, nickel and titanium, compound metal, cast iron, almost all kinds ... widely applied to pressure container, food, medicine machinery, petrol and chemical, environment, ventilation equipment, automobile, train, shipbuilding, ...