Hongxin 70FT Hot Dip Galvanized Direct Buried Transmission Steel Pole with Black Tar Anti-Corrosion Painting and Sack Wrap Material Raw material of general-purpose steel GB/T1591-2008, Q255, Q355, ...お問い合わせ
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Hongxin 70FT Hot Dip Galvanized Direct Buried Transmission Steel Pole with Black Tar Anti-Corrosion Painting and Sack Wrap