Utilize the input text as a context reference, choose the right relationship between 'cement plant' and 'cement' from the options.
Options: product/material produced, creator, business division, industry

The company noted that the commissioning of the new cement plant is part of its Africa expansion strategy and will be the fourth in the series after Ethiopia, Zambia and Cameroun, adding that cement plants due for commissioning this year include that of Senegal and South Africa, while construction works are ongoing in several other African countries.
product/material produced