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 Ellipse, Circle, Square, Rectangle galvanized / coated / black Welded Steel Pipes / Pipe- As per ASTM A53, BS1387, DIN2244, GB/T13793, GB/T3091, GB/T 6728, GB/T6725Surface treatment: galvanized or coated with o
- [Place of origin：World]
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Beijing High-Quality Steel Export CO., LTD
 [Bermuda]
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[Negotiable]
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