A na-eji mpempe akwụkwọ na-acha odo odo na-emepụta ihe dị n'ime na akụkụ nke na-achọ ihe na ụlọ ọrụ na-eguzogide na-arụ ọrụ, ụlọ ọrụ na-arụ ọrụ, ụgbọ ala, anụmanụ. Di, azu azu na ulo oru ahia. N'etiti ha, ụlọ ọrụ na-ewu ihe na-eme emepụta mgbochi ụlọ ọrụ mmepụta ihe na ụlọ obodo, ụlọ grilles, wdg.; Industrylọ ọrụ ụlọ ọrụ ọkụ na-eji ya emepụta ụlọ ọrụ ụlọ, ọrịa anụ ọhịa baton, wdg, na ụlọ ọrụ na-apụghị imepụta ihe mgbochi maka ụgbọ ala maka ụgbọ ala wdg.; Agriculture, animal husbandry and fishery are mainly used for food storage and transportation, meat and aquatic products freezing processing tools, etc.;It is suitable for industrial and civil buildings, warehouses, special buildings, large spansThe roof, wall and interior and exterior wall decoration of steel structure houses are light in weight.High strength,, convenient and quick construction, earthquake resistance, fire prevention, rainproof,Long life, maintenance-free and other characteristics, has been widely used.