Wuhan Ninestones X6/X7/X8 jerin.

X6/X7 jerin su ne high-karshen m PDC tare da roba matsa lamba na 7.5-8.0GPa.
Gwajin juriya (bushe yankan granite) gwajin shine 11.8Km ko fiye. Suna da tsayin daka sosai da juriya da tasiri mai ƙarfi, dacewa da hakowa a cikin nau'ikan hadaddun abubuwa daban-daban daga matsakaici-wuya zuwa wuya, tare da daidaitawa mai kyau zuwa dutsen yashi ma'adini, farar ƙasa, da manyan duwatsu masu ƙarfi na tsaka-tsaki. Jerin X6 yana da alaƙa da babban riƙewar yankewa da saurin hakowa.
Jerin X8 babban babban matsa lamba ne mai cikakken PDC tare da matsi na roba na 8.0-8.5GPa
Gwajin juriya (bushe yankan granite) gwajin shine 13.1Km ko fiye. Dangane da juriya mai girma, yana da tsayin daka sosai kuma yana dacewa da hakowa a cikin nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan dutse daban-daban, musamman ma a cikin hadadden tsarin dutsen kamar matsakaici-wuya zuwa tsattsauran ra'ayi tare da masu shiga tsakani.