1. Industrial suppliers and distributors: There are many suppliers and distributors specializing in the sales of industrial products in Italy. You can search related suppliers through the Internet and contact them for product information and purchase methods. Some common industrial suppliers include RSComponents, Manutan, Brammer, etc.

2. Industrial exhibitions and trade fairs: Italy has held many industrial exhibitions and trade fairs, bringing together many suppliers and manufacturers to display various industrial products. You can attend these exhibitions, learn about the latest products and technologies, and communicate with suppliers directly for purchasing. Some famous Italian industrial exhibitions include EMOMilano and PLAST.

3. Industrial Zones and Parks: There are many industrial zones and parks all over Italy, where many manufacturers and supply chain enterprises gather. You can contact relevant industrial enterprises in these areas to find out their products and purchase channels.