Automatic pretreatment machine, is suitable for steel or aluminium sheet metal. It is fast cleaning plant, the chemical wash and water rinse process is done by a series of rollers, which is more efficient and effective than dipping pretreatment. Specially, this pretreatment machine can avoid creasing to thin sheets during dipping handling. 




This prepares the metal surfaces for a strong bond to accept the coating applied. And you can even bend the sheets after coating.