Hi Tech Equipments - Leading Supplier of Fin Tubes Fin tubes, or finned tubes, are heat exchanger components with an extended surface area created by adding fins to the outer wall. The fins significantly improve the rate of heat transfer between a fluid flowing inside the tube and a fluid (usually a gas or another liquid) flowing outside the tube. Supplier of Fin Tubes In India Supplier of Fin Tubes in Nepal Supplier of Fin Tubes in UAE Supplier of Fin Tubes in Vietnam Supplier of Fin Tubes in KSA Supplier of Fin Tubes in Qatar Supplier of Fin Tubes in Libya