... Thermostat Certificate:CE/UL Price:USD52.00-58.00 FOBSHANGHAI Electric Water Heater The Description Of Oil Drum HeaterThe liquid or coagulum ... drum can be easily taken out by the way of heating,such as adhesive agent,grease,bituminous pitch,oil paint,paraflin ... ,oil and all kinds of resin raw materials.Heating the drum,it makes viscosity descend equally and decrease the ...