Cu / Ni C71500 Finned Tube, Seamless, Dn250 Od - landeepipe ( China ) - Offers to Sell and Export - Wednesday 22 November 2017 8:38 am - cu ni c71500 finned tube seamless dn250 od cu ni c71500 finned tube supplier in china cu ni c71500 finned tube seamless dn250 od length 12500mm 19 fins per inch pe ends name finned ...