Itsinda ryibanze rya NineStones niwe wambere wishora mu bushakashatsi n'iterambere ry'igitubamo byinjizwa mu Bushinwa, biganisha ku isonga mpuzamahanga.

Mu Bushinwa, itsinda ry'ibanze rya Wuhan NinSetones niwe wa mbere mu guteza imbere PDC Dome Shyiramo, kandi ikoranabuhanga ryayo rimaze igihe kinini rikomeza umwanya wa mbere ku isi. Amenyo ya PDC igizwe nibice byinshi bya diyama nibice byinzibacyuho, bitanga ingaruka zo kurwanya ingaruka zikomeye kandi bikwiranye cyane cyane kugirango bakoreshwe muburyo bwo guhamya. Biravugwa ko ubuzima bwa meme ya PDC Dome ari inshuro 5-10 yintwaro gakondo ya karbide, igabanya cyane ibiciro byimpinduramatwara kandi bizana impinduka zimpinduramatwara kubibazo byo gucukura amavuta.

Amenyo ya PDC ntabwo akwiriye gusakuza gusa no kwinjiza uruziga rwa Roller cone bits, ibikoresho byo hasi bitsindira, na noroheje kandi byitondera ku isoko mpuzamahanga. Ibicuruzwa bya PDC dome byikipe yibanze ya Wuhan NinStStones byamenyekanye cyane nabakoresha murugo ndetse nabanyamahanga kubwimikorere myiza yabo, ubuziranenge buhamye, imiterere yisoko, Serivise nziza.