1Environmental protection as induction welding 2.consumption reduction,high efficiency. 3.the monolithic application.IGBT ... 90%. Power consumption is only about 20% of the tube induction heatingThe simple design is easy to install, no debugging, ... , annealing, motors, valves, welding, tungsten, molybdenum, and copper tungsten alloy sintering as well as gold and silver melting induction heating tool