In addition to using slag from thermal power plants and steel mills as raw materials, cement plants have great connections with steel mills in external layout! First of all, both factories need a lot of energy, such as coal, so both factories must be located near energy sources or have convenient transportation.
Secondly, both cement plants and steel plants are air pollution types, and the plants should be located in the upwind direction of the minimum wind frequency in residential areas or in the direction or suburbs perpendicular to the prevailing wind direction all the year round.