... .Low energy use 3.Digital controls 4.Compact size High quality digital melting furnace machine NAP-MF-HK4 DetailsPower supply: 380V/50/60Hz ... weight: 45KgFeatures1,MM-F Series is advanced melting equipment for gold, silver, copper and other non ferrous metal melting.2,Apply ... size and low weight, easy operation, simple and convenient maintainance. High quality digital melting furnace machine NAP-MF-HK4