A packaging plant comprising: - at least one manufacturing machine configured for manufacturing at least one flow of products, - a conveyor system including at least one stationary guide and a plurality of transport units movable independently of each other along said stationary guide, the conveyor system having at least one input station, at least one first output station and at least one second output station, wherein said transport units are configured for receiving the products in said input station from said at least one manufacturing machine and for releasing the products in one of said output stations (22, 24), - at least one large distribution packaging unit configured for receiving the products from said transport units in said first output station and for packaging said products in a large distribution packaging format, - a plurality of movable stocking units each comprising a plurality of shelves configured for receiving said products, - a stocking area configured for receiving a plurality of said movable stocking units, - a clustering area including at least one clustering robot and at least one clustering station, the clustering robot being configured for picking the products from said transport units in said at least one second output station and for placing said products into selected shelves of a movable stocking unit placed in said at least one clustering station, - a flexible packaging area including at least one packaging robot configured for picking products from the shelves of a stocking unit placed in said flexible packaging area and for placing a variable number of products into packaging containers. - at least one manufacturing machine configured for manufacturing at least one flow of products, - a conveyor system including at least one stationary guide and a plurality of transport units movable independently of each other along said stationary guide, the conveyor system having at least one input station, at least one first output station and at least one second output station, wherein said transport units are configured for receiving the products in said input station from said at least one manufacturing machine and for releasing the products in one of said output stations (22, 24), - at least one large distribution packaging unit configured for receiving the products from said transport units in said first output station and for packaging said products in a large distribution packaging format, - a plurality of movable stocking units each comprising a plurality of shelves configured for receiving said products, - a stocking area configured for receiving a plurality of said movable stocking units, - a clustering area including at least one clustering robot and at least one clustering station, the clustering robot being configured for picking the products from said transport units in said at least one second output station and for placing said products into selected shelves of a movable stocking unit placed in said at least one clustering station, - a flexible packaging area including at least one packaging robot configured for picking products from the shelves of a stocking unit placed in said flexible packaging area and for placing a variable number of products into packaging containers.