Wuhan Ninestones Superabrasives Co., LtdIdakhazikitsidwa mu 2012 ndi ndalama zokwana madola 2 miliyoni aku US. Ninestones yadzipereka kupereka yankho labwino kwambiri la PDC. Timapanga ndikupanga mitundu yonse ya Polycrystalline Diamond Compact (PDC), Dome PDC ndi Conical PDC yobowola mafuta/gasi. Kubowola miyala, uinjiniya wa migodi ndi mafakitale omanga. Ninestones imagwira ntchito limodzi ndi makasitomala kuti apeze zinthu zotsika mtengo kwambiri kuti zikwaniritse zofunikira zawo. Kuphatikiza pa kupanga PDC yokhazikika. Ninestones imapereka mapangidwe okonzedwa kutengera ntchito zinazake zobowola. Ndi magwiridwe antchito abwino, khalidwe lokhazikika komanso ntchito yabwino kwambiri, makamaka pankhani ya dome PDC, Ninestones imaonedwa ngati imodzi mwa atsogoleri aukadaulo.
Ninestones ili ndi njira yonse yoyesera zinthu za PDC, monga mayeso a VTL heavy load wear, drop hammer impact test, rmal stability test, ndi micro-structure analysis. Timatsatira kupereka zinthu zabwino kwambiri za PDC ndi kasamalidwe kabwino kwambiri. Tapambana ziphaso izi: lS09001 Quality Management System, lS014001 Environmental Management System ndi OHSAS18001 occupational Health and Safety Management System.