To sell your product in the EU, you need to find an EU buyer. With a market of 500 million people and 28 countries there is a wide variety of buyers out there.
In order to find an EU buyer, you can:
Check the EU business associations. Most business in the EU use a sector association to represent its interest and stay constantly updated on regulations, statistics and opportunities. By contacting the sector associations, either at EU or national level, you will get very useful information on the market and its main players. Check the EU trade fairs. You can find the main fairs per sector here.
Source: (https://ec.europa.eu/trade/)