Refer to the input text as context and select the correct relationship between 'Samsung' and 'conglomerate' from the available options.
Options: headquarters location, stock exchange, industry, product/material produced

South Korea's dominant Samsung conglomerate -- run by the country's wealthiest family -- secured shareholder approval Friday for the merger of two affiliates, seeing off a formidable challenge from investor activists led by a combative US hedge fund.
industry