e appearance of color can be specified by the user, the standard color to blue). After numerical control machine tool cutting, folding, rushed to the weld assembly, precise dimension is flat and level. Cooler: the cooler for cooling tower of the key components, internal cooling medium, external after air cooling and water spray to achieve cooling requirements; Adopt international standards of T2 acid cooler were made with copper, are all bare copper pipe, without fin, to ensure that the cooling