... self-protect system America NL-557 Automatic Slidable plastic welding and cutting high frequency machine We can make 5KW,8KW,10KW,12KW,15KW,18KW,etc ... Taiwan ,ensures long time and high precision movement.8)Whole-set imported superior quality elements from USA, ensure excellence in quality and performance. ModelHY-5KWPower5000WVoltage220V ...