Heft Engineers - established in 1994 by two technocrats having more than 20 years of experience in Thermal Heat Transfer Systems. Pioneers in design & manufacture almost every thing related to Thermal Transfer Industry. Some of our major products include Spiral Wound Finned tubes, Integral Finned tubes, Process Gas Cooler,Air Heater , Air Cooled Heat Exchangers & varieties of Shell & Tube Heat Exchangers., D ...  [ Click for details ]