Indirect evaporative cooling unit, container integrated design, built-in DX supplementary cooling system, every component is pre-integrated in the factory. Fully processing chain from container manufacturing, precision sheet metal, homemade heat exchange core, final assembly and tests. Production line length 104m, online water test - automatic IPX5 spray test water room. Equipped with a full set of cooling product incoming material comprehensive testing instrument room, two intelligent manufacturing systems and IT controls the whole process, then achieve high quality, high efficiency and intelligent manufacturing.