Hana ʻia ka mana kila me ka pā kila maʻamau Kina (Q355B & Q235B) ma ke ʻano kumu.
Ma hope o ke kaomi ʻana, ka hana ʻana i ka lua, ka ʻoki ʻana a me ka hoʻokumu ʻana, ua hoʻomaʻamaʻa ʻia ka pauka resin epoxy i ka wela kiʻekiʻe e hoʻopaʻa ʻia a hoʻololi ʻia, a laila hana ʻia e ka curing a me nā kaʻina hana ʻē aʻe.
ʻO nā huahana me: H zection steel structure columns & beams, wind resistant column, brace, tie bar, casing pipe, Purlin and etc.