wholesale galvanized purlin, wholesale galvanized
Products U Channel Steel Grade Q235B,Q345B Type GB standard(10#-40#,100*48mm--400*102mm) JIS standard(50*25mm--250*90mm) Length 6m, 12m,Large quantity can be customized Technique Hot rolled Application Mainly used for building structure, vehicle manufacturing and other industrial structure, channel steel is often used with i beam.
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