... weight is light, aseismatic, the high efficiency of heat exchange,on the stucture, inside the radiator tube ... can aggrandize the area of radiator, expedite the heat he heat exchange, by the action of the fan, the ... the high efficiency of radiator.is the best heat exchanger in the market. scope of application:oil pressure ... Machine Hydraulic Oil Cooler Plate-Fin Heat Exchanger, Air Coolers (type:AL-609)