Gulu lankhondo la nanestones ndi loyamba kuchita kafukufuku ndi chitukuko cha doma ku China, kutsogolera pamaso pa dziko lonse.

Ku China, gulu la Wihan Ninestones linali loyamba kukulitsa kulowetsa kuyika kwa PDC dome, ndipo ukadaulo wake udasunga kale padziko lapansi. Mano a pdc dome amapangidwa ndi zigawo zingapo za diamondi ndi zosintha, kupereka mphamvu zochulukirapo ndipo ndizoyenera makamaka kuti mugwiritse ntchito mapangidwe a atsogoleri. Amanenedwa kuti moyo wa mano a pdc dome ndi 5-10 nthawi ya mano amsiteri, omwe amachepetsa mtengo wobowola ndikusintha kusintha kwa malonda obowola mafuta.

Mano a PDC dome sakhala oyenera kutetezedwa ndi mayamwidwe a Roller Cluble Kubowola Brand, BDC Bobs, komanso adakopanso chidwi chofala mu msika wapadziko lonse. Gulu la PDC DOMO DZIKO LAPANDA Ninestones Core Ammart azindikiridwa kwambiri ndi ogwiritsa ntchito nyumba ndi achilendo chifukwa cha ntchito zawo zabwino, ntchito yopitilira R & D & D.