Na Disemba 31, 2021, igwe anaghị agba nchara 9Ni igwe anaghị agba nchara maka tankị nchekwa LNG (gasị ikuku) nke Hyundai Steel mepụtara gafere asambodo nyocha nke KOGAS (Korea Natural Gas Corporation).Ọkpụrụkpụ nke efere ígwè 9Ni bụ 6 mm ruo 45 mm, na obosara kachasị bụ 4.5 mita, nke bụ ugbu a kasị obosara n'ụwa.Nkwenye nke asambodo a na-abawanye asọmpi ahịa Hyundai Steel na South Korea.
A na-akọ na iji gafee asambodo a, Hyundai Steel na welding material emeputa Hyundai General Metal Co., Ltd. kwadoro iji ghọta ọnọdụ nke ihe ịgbado ọkụ niile.Hyundai Steel kwuru na nhazi nke ihe ịgbado ọkụ nwere ike ịzọpụta ihe dị ka 30% nke ọnụ ahịa ya ma e jiri ya tụnyere iji ihe ebubata.
9Ni steel thick plate bụ ngwaahịa dị oke elu na-arụ ọrụ nke ọma iji hụ na nchekwa nke tankị nchekwa mmiri na ala LNG.Isi njirimara ya bụ ọdịnaya nickel dị elu na ịdị ọcha dị elu.Na-ejigide ike dị elu na mmetụta siri ike dị mma, ọ bụ otu n'ime ihe ndị bụ isi eji emepụta nnukwu tankị nchekwa LNG.