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TIANJIN BOER KING STEEL CO., LIMITED
Hot Rolled Carbon Steel Grade 20cr 40cr 35CrMo 42CrMo 4140 4130 4340 5140 Alloy Steel Bar
Hot Rolled Carbon Steel Grade 20cr 40cr 35CrMo 42CrMo 4140 4130 4340 5140 Alloy Steel Bar
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Unit Piece(s)
Sample Price US $ 1
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