Chengdu runjing Electronic Co., Ltd. is a new-high technology enterprise of China, the member of Chinese heat treat Association, relying on university scientific research strength, basing on theory of modern electronic, produces series high frequency, medium frequency, ultrahigh frequency induction heating machine with strict technological requirement, with main circuit adopts IGBT, MOSFET and other new type components, make integration and modules be its basic characteristic, and matching with new output transformer, so the equipment power promoted by large scale, energy consumption reduces a lot, the reliability develop to non-maintenance, is popular to many domestic and foreign Users. The production was already exported to USA, Brazil, Turkey, India, Pakistan, Thailand, Japan, Australia, Singapore, Taiwan, Vietnam, Korea, Iran, many other countries and areas.