Dayo International Ltd. Is one of the professional air plasma cutter manufacturers, like Hypertherm, professional in production and R&D, specialized in global marketing, training and technical service of plasma cutting technology. At present, its product line contains AngelBlade A (Advanced) series high quality air plasma cutter and AngeBlade E (Economical) series that was launched to market in 2014. After comparison test lasting for half a year, AngelBlade A series was testified to be as good as or ever better than H brand in cutting quality, piercing capability, duty cycle, running speed of quality cut and loss of consumables. The data of comparison test was also confirmed by the major OEM plasma producer of Dayo International Ltd.