Electric heating element for electrothermal furnace1.Main characteristics 2.Ordering Information 3.When ordering please clarify(1).Main specification, e.g. rated power,operating voltage,tube diameter,length,thickness(2).Tube material, e.g. copper ,stainless steel(3).Order quantity(4).logo if you needIf you have special requirements of the products,please let us know.we provide customized products we support OEM