Hoʻomaʻamaʻa mākou i ka pā kila Carbon, ka pā kila kila, nā ʻano hana kila e like me ke ala kila, ke kihi kila, H beam, I beam, ke kila square tube a me ka paipu poʻe kila a me nā kaola paʻa.Eia kekahi, loaʻa nā lawelawe ʻokiʻoki, kulou, galvanizing, pena pena.Ua kūpono kā mākou huahana āpau a hiki i ka hopena kemika a me ka ikaika ke hele i ka hoʻāʻo SGS a i ʻole BV.Hiki i kā mākou lako lako ke hoʻokō me nā kūlana kūlana maikaʻi o ka GB, ASTM, JIS, DIN, API.