... energy not be wasted when wet air travels through dry desiccant.You can adjust purge air use according to the ... is an integrated enterprise which is specialized in compressed air purification equipment, Holysun integrates scientific research,manufacture,sales ... manufactured HOLYSUN brand HSD series Refrigerated Air Dryer,Absorbing Air Dryer,After Cooler,Air chiller Set,Industry using Water Cooler,HF ...