E hiwere Wuhan Ninstones Superabrasives Co., Ltd na 2012 site na itinye ego ruru nde dọla US abụọ. A na-etinye Ninestones n'ọrụ inye ngwọta PDC kacha mma. Anyị na-emepụta ma na-emepụta ụdị Polycrystalline Diamond Compact (PDC), Dome PDC na Conical PDC niile maka ịgba mmanụ/gas, ịgba ala, injinịa igwu ala na ụlọ ọrụ owuwu.
Onye otu teknụzụ bụ isi nke Ninestones mepụtara Dome PDC mbụ na China. Site na arụmọrụ dị mma, ịdị mma na-adịgide adịgide na ọrụ dị elu, ọkachasị n'ọhịa nke dome PDC, a na-ewere Ninestones dị ka otu n'ime ndị ndu teknụzụ.
Anyị agafeela asambodo ndị a: Sistemụ Njikwa Ogo ISO9001, Sistemụ Njikwa Gburugburu Ebe Obibi ISO14001 na Sistemụ Njikwa Ahụike na Nchekwa Ọrụ OHSAS18001.
Oge ozi: Julaị-01-2024
