In Ethiopia, there is a medium - sized local gold mining enterprise with both open - pit and underground mining areas. Ore transportation is achieved through trucks and rail - mounted mine cars. The quartz - vein - type gold ore they mine has variable hardness, uneven grain - size distribution of gold inclusions, and a medium - grade. The production process encompasses activities from blasting to flotation, during which crushers play a crucial role and operate for approximately 18 hours a day.

In the manganese mining sector within the black metal mining industry, our Kenyan client is a newly - established small - scale enterprise. Filled with ambitious mining dreams, the team members are passionate about their work, yet their inexperience is an obvious fact as they have just stepped into the manganese ore mining and processing business. They possess a small - sized manganese ore resource area and have initially set up a simple mining and processing workflow.

South African construction companies are mainly engaged in construction projects such as housing, road, and bridge construction. For instance, a typical construction enterprise undertakes a large number of residential and commercial construction projects each year, demanding a vast amount of construction stone for concrete production and foundation works. These companies have strict requirements for the quality of rock products.

In the iron ore sector of the black metal mining industry in Uganda, our client has been operating for several years. They have a certain number of employees and a relatively stable team. However, they lag behind in technological innovation. The enterprise owns a medium - sized iron ore resource area and has a relatively complete primary mining and rough - processing system.