Prefabricate House manufacturer / supplier in China, offering W Beam Steel H Beams I Beam W6*25 W8*10 ASTM A36 ASTM a-992/A572-50, Ipe Upe Hea Heb Type H Iron Beam (CZ-H04), ASTM A29m Cheap Price Structural Newly Produced Hot Rolled H Beam and so on.