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Petroleum Cracking Seamless Steel Pipe,O.D.: 12 8mm2) Application: furnace tube for petroleum refining factory, heat Hot Dip Galvanized Steel Pipe

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GB9948 Seamless Steel Tube For Petroleum Cracking Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil,

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Seamless steel tubes. for petroleum cracking. pipe,ASTM seamless tube,Application:Natural gas, petroleum, Hot expanding steel pipe,seamless pipe with


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