Hard rock crushing and screening plants in Africa are used to process and crush hard rocks and minerals such as granite, basalt, and limestone. These plants are designed to handle tough materials and provide efficient crushing and classification. They are typically equipped with high-capacity crushers, screening machines, and conveyors. The crushers used in these plants may include cone crushers, impact crushers, or hammer crushers to break down the hard rocks into smaller sizes. In Africa, these plants are particularly useful in mining and construction projects where hard materials are prevalent. They help produce aggregates like sand, gravel, and other materials needed for large-scale infrastructure projects.