... -ZX7-300 Product description:1.Most advanced inverter power supply technology and imported IGBT module are adopted. ... and field operation of oil pipeline, chemical, car, shipbuilding, boiler, power station construction,nuclear nergy,spaceflight,military industry,industrial ... building industry,etc. ZX7400I is especially applicable for power station construction industry.GFS-ZX7-300GFS-ZX7-350GFS-ZX7- ...