Aluminum Plate Fin Heat Exchanger was first applied to automobile and aviation industry,and was boosted in air separation with the requirements of air separation equipments in petroleum chemistry industry and development trend of air separation equipments.The reserch,test,design,manufacturing of aluminum plate fin heat exchanger got a great progress in air separation industry first and it is widely used in the field of aviation,automobile,gas engine,construction machinery,air compressor,air separation,petroleum&chemistry industry,air conditioner,refrigeration and so on.