... Double side rollbond evaporator,• single side rollbond evaporator,• part single side rollbond evaporator Key process Prepare ... the material, Cleaning, roughing surface, Printing, Riveting, Rolling, Annealing, Blow up, Punching, Folding and shaping, Capillary connecting, Assembly ... . Application/ Certificate Our roll bond evaporator are widely used in refrigerator, freezer ...