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an ning,haidian,beijing,China China
Contact Person Ms. tina JI
Address an ning, haidian, beijing
the seamless steel pipe used in boiler, transport oil and other fluid. out diameter:20-1000mm thickness:4-50
origin:China material:Q235, Q345, 20#, others standard:API5L, GB/T9711.1-1997 we can produce different size
executive standard:GB, SY/Y material:4mm-60mm O.D:57mm-950mm the welded steel tube usually used in structur
technique:welded outer diameter:57mm-1000mm thickness:4mm-80mm origin:china brand:dongyue packing detail:
technique:welded outer diameter:57-950mm thickness: 4mm-80mm origin:China material:Q235, Q345, 20#
technique:welded outer diameter:219-2220mm thickness:6mm-80mm origin:China executive standard:API il,
produce different material pipes , different dimension , large outer diameter, and different thickness, and th
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