One of the main driving forces of the economy of a country is its commercial activity, and a great deal of the import and the export of its products is carried out through sea ports. Port facilities are important for the quality of both the reception and the transaction of goods. Stolz is specialized in building mechanical and pneumatic loading and unloading frames, port silos and equipments for manipulation and storage of bulk solid like ecological hoppers, bucket cranes and commercial circuit or platform scales.