I-Wuhan Ninestones Superabrasives Co., LtdYasekwa ngo-2012 ngotyalo-mali lwezigidi ezi-2 zeerandi zaseMelika. I-Ninestones izinikele ekuboneleleni ngesisombululo se-PDC esingcono. Siyila kwaye senza zonke iintlobo zePolycrystalline Diamond Compact (PDC), iDome PDC kunye neConical PDC zokugrumba ioyile/igesi. Ukugrumba ngokwejoloji, ubunjineli bemigodi kunye namashishini okwakha. I-Ninestones isebenzisana ngokusondeleyo nabathengi ukufumana iimveliso ezingabizi kakhulu ukuhlangabezana neemfuno zabo. Kunye ne-PDC esemgangathweni yokuvelisa. I-Ninestones inikezela ngoyilo olwenziwe ngokwezifiso olusekwe kwizicelo ezithile zokugrumba. Ngokusebenza okugqwesileyo, umgangatho ohambelanayo kunye nenkonzo egqwesileyo, ngakumbi kwicandelo le-PDC yedome, iNinestones ithathwa njengenye yeenkokheli zobuchwepheshe.

I-Ninestones inenkqubo epheleleyo yovavanyo lwemveliso ye-PDC, efana novavanyo lwe-VTL heavy load wear, uvavanyo lwe-drop hammer impact, uvavanyo lozinzo lwe-rmal, kunye nohlalutyo lwe-micro-structure. Sinamathela ekunikezeni iimveliso ze-PDC ezigqwesileyo ngolawulo olungqongqo lomgangatho. Siphumelele iziqinisekiso: i-lS09001 Quality Management System, i-lS014001 Environmental Management System kunye ne-OHSAS18001 Occupational Health and Safety Management System.