... heat energy in medium to rise the temperature of materials.accomplishing heating ,puffing and a series of physical and chemical processes ,and so ,microwave heating ... product shelf-life and energy-saving aspects have a ... and sterilizing features1, Fast heating.2,Save energy and efficiency. 3, Heating uniform4, Craft is advanced, control easily. 6, Covers less area, safety and harmless. 5, drying and ...