[Offer to Sell] sale of steep pipe |
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| a. seamless steel pipe :material 20#,45#,16Mn,specification,dia57-630mm b. high frequency weld tube :material Q235A/B,specification,dia15-159mm c. galvanized pipe: material Q235A/B ,specification, dia 15-80mm d. stainless steel pipe: material 304,316,321,430,specification ,dia 15-159mm e. cast iron pipe, material chilled cast iron ,18#,22#,pig iron |
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