Okwangoku, inkampani yethu inabasebenzi abangama-8 bezobuchwephesha (kubandakanywa iinjineli ezi-5 eziphezulu), enesakhono sokuphuhlisa iimveliso ezintsha, inendawo yayo yokulungisa e-abrasive. Iingxaki zobugcisa ngaphambi nangemva kokuthengisa zingaphendulwa ziinjineli eziphambili.