Company Description
QINGDAO LONGTAI STEEL CONSTRUCTION GROUP manufacture and supply many standards of structural steel components,such as ASTM A36 following structural section steel and other not mentioned structural section steel: W18X76,W16X77,W16X57,W14X48,W12X35,W12X26,W10X22,W10X19,W4X13,S4X9.5,MC10X22,MC2X