A manufacturer licensed pursuant to §57-2-102 [repealed], or the authorized agent of such licensee, may possess, store, or transport the products of the manufacturing plant within, over, and across the state; provided, that any alcoholic beverages or wine produced at a plant located within this state must be stored within a county that has authorized the manufacture of intoxicating liquors pursuant to §57-2-103 or in a county adjacent to a county that has authorized the manufacturing operation, and such possession shall be limited to storage facilities owned, authorized, or leased by such manufacturer; and further provided, that such licensee may also possess such alcoholic beverages or wine while being transported, whether within or outside of the state. Common carriers may transport the products of such manufacturing plant only pursuant to an agreement or contract with a licensee under this title.