Stainless Steel, Carbon Steel, Galvanized Product manufacturer / supplier in China, offering GB H Section Beam Bar JIS ASTM Hea Heb HD European Standard H-Beam, Heavy Duty Hot Rolled H-Beam Q235B for Warehouse Construction Prefabricated Steel Structure Components, H-Beam I-Beam Steel Q235B Q355b Sizes 100X100 125X15 150X150 Grade Q345b 12 Meter and so on.