Frequency Inverter, HMI, PLC manufacturer / supplier in China, offering 220V 380V 1.5kw 15kw 22kw Frequency Converter Frequency Inverter Factory Price Frequency Inverter AC VFD Converter, 220V 60Hz to 220V 50Hz 0.4kw 0.75kw 5kw 3 Phase to Three Phase Frequency Converter, 220V 380V 50Hz 60Hz 0.75kw 1.5kw 2.2kw 3kw 4kw 5.5kw 7.5kw Single Phase Three Phase Frequency Converter VFD and so on.