銷售45號無縫管、低合金管、20G鋼管，歡迎咨詢。

  品名規格材質價格漲跌

低合金管 Ф102*9 20#(GB/T8163-1999) 3397 -

低合金管 Ф110*8 20#(GB/T8163-1999) 3535 -

低合金管 Ф122*7 20#(GB/T8163-1999) 3622 -

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