Bethlen-Haller Castle is a renaissance castle that was originally built by the noble Bethlen family in the early 17th century and later passed through the hands of many aristocratic families, including the Hallers. It was bought from the Romanian state by the Necsulescu family who restored it and made the headquarters of Necsulescu's Jidvei Wines.
You can actually fine more interesting facts about Bethlen-Haller Castle if you read this interview with the castle owners.