Kuri iki cyumweru, isosiyete yakiriye abakiriya baturutse muri Bahrein, Koreya yepfo n’Ubuhinde, ndetse n’icyemezo cya ISO9001 muri uyu mwaka.Kuva ku wa mbere, abakiriya n'abarimu b'ubugenzuzi bagiye mu kigo umwe umwe.Iki cyumweru kirahuze kandi kirishimye. Ibikoresho: 20MnG, 15CrMo, 15CrMoG, 35CrMo, 42CrMo, 12Cr2MoG, 12Cr1MoV, 12Cr1MoVG,SA213 T11, SA213 T12, SA213 T22, SA213 T23, SA213 T91, SA213 T92, 15Mo3,P11, P12, P22, T91,P91, 42CrMo ，A335P11.