Musi waZvita 31, 2021, iyo yekupedzisira-yakadzika tembiricha simbi 9Ni simbi ndiro yeLNG (liquefied natural gasi) matangi ekuchengetera anogadzirwa neHyundai Steel akapasisa chitupa chekuongorora cheKOGAS (Korea Natural Gas Corporation).Ukobvu hwesimbi yesimbi ye9Ni 6 mm kusvika 45 mm, uye hupamhi hwepamusoro ndeye 4.5 metres, iyo ikozvino yakakura kudarika pasi rose.Kubvumidzwa kwechitupa ichi kunosimudzira kukwikwidza kwemusika weHyundai Steel muSouth Korea.
Zvinonzi kuti vapfuure chitupa ichi, Hyundai Steel uye welding material inogadzira Hyundai General Metals Co., Ltd.Hyundai Steel yakataura kuti kugadzikiswa kwezvinhu zvewelding kunogona kuchengetedza 30% yemutengo uchienzaniswa nekushandiswa kwezvinhu zvinotengeswa kunze kwenyika.
9Ni simbi gobvu ndiro ndeye yekupedzisira-yepamusoro-inoshanda gobvu ndiro chigadzirwa chinoshandiswa kuve nechokwadi chekuchengetedzwa kwemakungwa uye pasi LNG matangi ekuchengetedza.Hunhu hwayo hukuru ndeyepamusoro nickel zvemukati uye kuchena kwepamusoro.Kuchengeta simba rakakwirira uye yakanakisa kukanganisa kuoma, ndicho chimwe chezvinhu zvikuru zvinoshandiswa kugadzira matangi makuru ekuchengetedza LNG.