API 5L/ASTM A53 GR.B, CHUMA CHA CARBON, LSAW STEEL BOMBA FOB TIANJIN Nje Kipenyo 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.10,08 7 863.1,008 7 863.1, 608 7 863.1, 208 863. 1,067 1,067 1,067 1,067 Unene 9.53 1,075 1,059 1,067 1,043 1,043 1,043 1,043 1,043 壁...
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