Refer to the input text as context and select the correct relationship between 'Fonterra' and 'milk' from the available options.
Options: brand, subsidiary, headquarters location, 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