SONA offers a wide range of metal melting furnaces to melt precious metal from 1gm To 5 Kg as well as metal alloys, unmatched for construction, precision & durability with longer coil life.All furnaces are equipped with precision digital temperature control (accuracy of + 1ºC) matched with high quality thermocouples which maintain a the set temperature.Also available with convenient tilting furnaces. The heavy duty melting furnaces are work horse with high quality and thicker gauge coil for continues operation to melt large quantities & production use.