Advertisement Magnetic and sensor sorting solutions company, Steinert, has set up a new testing plant at Navachab gold mine, near Karibib, in Namibia, which is owned by private equity firm QKR. The test facility is available for testing in beneficiation and preconcentration processes. 6 years ago, the team at Navachab gold mine started to employ sensor-based ore sorting technology to upgrade the gold grade and remove useless material that would not burden the following processes and result in cost savings. Since 2016, two STEINERT XSS-T X-ray transmission bulk sorting systems have been installed in a 200 tph production plant to upgrade the low grade stockpile material.