1)Standard: ASTM, DIN, GB , JIS, BS
2)Grade: A36,Q235, SS400,S235JR
3)Dimensions: 50*50*4mm
4)Length: 6m,9m,12m or as customers' requirement
5)Type: Equal or Unequal
6)Application: construct...EFYA INTERNATIONAL IMP&EXP CO.,LTD
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