The Canned sparagus used as raw materials with the soft white asparagus,which is fresh ad not yet exposed to the surface.Through some working procedures,such as cleaning,peeled,pressing,pre-cook,sealed,sterilizated,It is carefully modulated into canned food.The specification of glass canned asparagus is 170ml,720ml,370ml,314ml,212ml,210ml.The specification of ironed canned asparagus is 15173,8160,7116 and 1kg.