... it can saving 30% electricity compare with electron tube, saving 20% compare with silicon control Medium frequency. IGBT induction heating equipment ... air Accessories machinery technology component, Etc. Such as, hammer, knife, scissors, pliers and all kinds of axis, cam wheel, ... cutter following the application of high-frequency 50-100 KHZ20-30mm above the tool to apply high-frequency 10-50 KHZ, super ...