Sleeve tubular heaters are versatile and have extensive usage in chemical, defence and machinery industry etc. Sleeve tubular heaters are composed by, resistance wire, MgO insulation powder, metal sheat, and connection hit materials. They can be designed and manufactured in various electrical power and voltages, diameters, lengths, by different connection hit and sheat materials. Most important and useful feature of tubular heaters; they can be shaped very easily and soldered or welded very easily to any requested metal surface.