A carrier is configured to hold a product carried on a material strip during horizontal conveying of the material strip. The carrier comprises a first holding member positioned on the upper or lower side of the product on the material strip during the horizontal conveying of the material strip and extending along a conveying direction of the material strip. A first contact surface is formed on the side of the first holding member facing the product, the first contact surface is configured to contact the product during the horizontal conveying of the material strip to limit the up and down bouncing movement of the product.