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Roll bond evaporators are widely used on refrigerators and Freezers. Evaporator of roll bond are made of two aluminum sheets assembled by a rolling process. Pressurizing the panel to create the channels. There are One Side flat china roll bond evaporator, Double side inflated roll bond evaporator, Partial one side flat roll bond evaporator. End of inlet/outlet tube, it is joined with copper tube, which is easy to connect with the whole refrigeration system. Surface of the roll bond evaporator is painted with plastic powder.