This product has passed the RoHS authentication and conform to ISO9002 quality system Specifications Raw materialAl-plate: finished products thickness: 1.1 ∼ 2.0mm,raw material Al plate thickness: 1.4 ∼ 2.5mmStructure Double side rollbond evaporator, single side rollbond evaporator, part single side rollbond evaporatorKey processPrepare the material, Cleaning, roughing surface, Printing, Riveting ...