Rayon Applied Engineers supplies Finned Tubes. Rayon Applied Engineers is the manufacturer of Industrial Duty Heat Transfer Equipments and Materials Handling Systems. The Finned Tubes are used in gas and air heating or cooling for Industrial Processing applications. These tubes include Air Heaters, Steam Oil Heaters, Inter Coolers, After Coolers, Spiral Tension Wound Continuous, Oil Coolers, Crimped Type Finned Tubes of M.S., Copper, S.S, etc.