I te 31 o Hakihea, 2021, i paahitia e Hyundai Steel te tiwhikete tirotiro kounga a KOGAS (Korea Natural Gas Corporation) te pereti maitai 9Ni pāmahana tino iti mō ngā tāke rokiroki LNG (hau māori wai) i hangaia e Hyundai Steel. Ko te matotoru o te pereti maitai 9Ni he 6 mm ki te 45 mm, ā, ko te whānui mōrahi he 4.5 mita, koinei te whānui rawa atu o te ao i tēnei wā. Mā te whakaaetanga o tēnei tiwhikete ka kaha ake te whakataetae mākete a Hyundai Steel i Korea ki te Tonga.
E ai ki ngā pūrongo, kia eke panuku ai i tēnei tiwhikete, kua whakatinanahia e Hyundai Steel me te kaihanga rauemi whakarewa Hyundai General Metals Co., Ltd. te whakaritenga o ngā rauemi whakarewa katoa ki te rohe. E ai ki a Hyundai Steel, mā te whakaritenga o ngā rauemi whakarewa ka taea te penapena i te 30% o te utu, ki te whakaritea ki te whakamahinga o ngā rauemi kawemai.
Ko te pereti matotoru maitai 9Ni he hua pereti matotoru tino-teitei e whakamahia ana hei whakarite i te haumaru o ngā tāke rokiroki LNG moana me te whenua. Ko ōna āhuatanga matua ko te nui o te nikara me te parakore teitei. Mā te pupuri i te kaha teitei me te pakari o te pānga, ko tētahi o ngā rauemi matua e whakamahia ana hei hanga tāke rokiroki LNG nui.