Zhuzhou Chuangrui Cemented Carbide Co., Ltd. e sebakeng sa Zhuzhou City, Profinseng ea Hunan, "Hometown of Cemented Carbide".E leng e mong oa baetsi ba litsebi ba nang le mefuta e mengata ka ho fetisisa le litlhaloso tse feletseng tsa lisebelisoa tsa li-valve tse thata.Re na le lilemo tse fetang 15 tsa boiphihlelo ba tlhahiso ea litsebi ka har'a carbide e entsoeng ka samente, hape re na le sehlopha sa basebetsi ba boleng bo holimo.Re khetholloa ka tlhahiso ea lihlahisoa tse thata haholo tsa carbide tse sa tloaelehang tse sa tloaelehang, hape re ikhethile ka ho phethela libopeho tse fapaneng tse rarahaneng tsa lihlahisoa tsa carbide tse entsoeng ka samente.Lihlahisoa tsa rona li hapile thoriso e le 'ngoe ho tsoa ho bareki.