The aluminium tube heater is an electric heating component through putting the heating wire into the aluminium tube. It has good waterprooof and heat conduction performance,the highest operating temperature can reach 180℃,adapt to be operated in the moist occasion with middle and low temperature. For it can shape easily, need not costly mould,design and product promptly,safely and economically .All the products pass the safe and explosion-proof attestation,and be used widely as the defrosting machine for the refrigerator and freezer, as well as dry box,heater,cooker and so on. It have two types Φ4.5, Φ6.35 by outer diameter.Suggest to use the power below 35W/m and we can design specially for the bigger power.