Take context from the input text and decide on the accurate relationship between 'Fonterra' and 'milk' from the options provided.
Options: subsidiary, headquarters location, brand, product/material produced

Having dominated the commodity milk powder sector for years, Fonterra is aiming to deliver more food services and specialised ingredients in China, its biggest market, and in other emerging countries where it expects demand for dairy products will grow in the long term.
product/material produced