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Stainless and galvanized q235b weld steel pipe for industrial and commercial purposes at . These hot-dipped q235b weld steel pipe are ideal for seamless construction uses.China Q235B/Q235C/Q235D/Q345b/Q345c/Q345D Welded Various steel pipes, steel tubes, such as ERW steel pipe, LSAW steel pipe, SSAW steel Number of Employees:145