Jul 11, 2019· IPP Mining & Materials Handling is situated at Plot 54 Prinsberg Road, Seekoeiwater, Mpumalanga, 1042 South Africa. READ ALSO: 5 biggest malls in South Africa 2019. 6. Roan Coal. Roan Coal is one of the mines in Bethal Mpumalanga that are committed to the exploration and processing of mine products for local use.