Bs1387 ASTM A53 ASTM A500 ERW Welded Steel lub raj
Cov chaw tsim tshuaj BS1387 ASTM A53 ASTM A500 ERW lub raj, lub hlau Tube BS1387, Square hlau Tube ASTM A53 paus / tsum nyob Suav teb, uas Bs1387 ASTM A53 ASTM A500 ERW Welded lub hlau Tube, En 1.4301
Ntau
Square Steel Hollow seem/yeeb nkab/raj
Square hlau Hollow seem, Square hlau yeeb, cov raj hlau Square chaw tsim tshuaj paus / tsum nyob Suav teb, Self Square hlau Hollow seem/yeeb nkab/Tube, siv qauv hlau kuv txoj kab teeb ci, Channel hlau
Ntau
Hollow Steel raj
Hollow raj hlau, Hollow seem, chaw tsim tshuaj paus raj hlau / tsum nyob Suav teb, uas ua luaj rau Self Hollow hlau Tube, kub tais Galvanized hlau Coils, Ipeaa.
Ntau

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