... 3.wide usage 4.high efficiency Super Audio Frequency Induction Heating Machine DataModelCYP-30CYP-50CYP-60CYP-70CYP-80CYP-90CYP-120CYP-130CYP- ... The thermal efficiency of more than 95%, compared with other heating methods (such as gas, oxygen, acetylene, coking coal, ... tube etc.) are energy-saving7) The workpiece surface uniform heating, fast temperature rise, reducing the surface oxide layer and ...