alutop manufactures aluminium closures, Aluminium and tin printed sheets in multicolor, Aluminium ROPP (roll on pilfer proof) caps appropriately known in the industry parlance as pilfer proof caps. alutop manufactures aluminium closures, appropriately known in the industry parlance as pilfer proof caps, Aluminium Cap, Aluminium caps, Aluminium closure, Aluminium closures, Pilfer Proof Cap, Pilfer Proof caps, Pilfer Proof closure, Pilfer Proof closures, Bottle Cap, Bottle caps, Bottle closure,