Na Disemba 31, 2021, efere ígwè 9Ni nke dị oke okpomọkụ maka tankị nchekwa LNG (gas sitere na mmiri mmiri) nke Hyundai Steel mepụtara gafere asambodo nyocha mma nke KOGAS (Korea Natural Gas Corporation). Ọkpụrụkpụ nke efere ígwè 9Ni bụ 6 mm ruo 45 mm, obosara kachasị bụ mita 4.5, nke bụ ugbu a kachasị obosara n'ụwa. Nkwenye nke asambodo a na-eme ka asọmpi ahịa Hyundai Steel dịkwuo mma na South Korea.
A kọrọ na iji gafee asambodo a, Hyundai Steel na ụlọ ọrụ mmepụta ihe ịgbado ọkụ Hyundai General Metal Co., Ltd. jikọrọ aka mee ka e nwee ebe ihe ịgbado ọkụ niile dị. Hyundai Steel kwuru na ebe ihe ịgbado ọkụ nwere ike ịchekwa ihe dị ka 30% nke ọnụ ahịa ma e jiri ya tụnyere ojiji nke ihe ndị e si mba ọzọ bịa.
Efere ígwè dị arọ nke 9Ni bụ ngwaahịa efere dị oke arụmọrụ nke ejiri hụ na nchekwa nke tankị nchekwa LNG nke mmiri na ala. Isi ihe dị na ya bụ ọdịnaya nickel dị elu na ịdị ọcha dị elu. N'ịnọgide na-enwe ike dị elu na ike mmetụta dị mma, ọ bụ otu n'ime ihe ndị bụ isi eji emepụta nnukwu tankị nchekwa LNG.