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Q345B square tube

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Q345B square tubes are used in construction, machinery manufacturing, steel construction projects, shipbuilding, solar power generation brackets, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automobile chassis, airports, etc.

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Q345B square tube

Q345B square tubes are used in construction, machinery manufacturing, steel construction projects, shipbuilding, solar power

Q235B square tube

Q235B square tube is a square tube formed by Q235B hot-rolled or cold-rolled steel strip after process treatment. Q235B squar

Q345B square tube

Q345B square tubes are used in construction, machinery manufacturing, steel construction projects, shipbuilding, solar power