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Good Quality ASTM A106 A53 20# 45# Q235 Q355 Steel H-Beam I-Beam Universal Beam Iron H for Structure Construction, Find Details and Price about H Beam Steel Carbon Steel from Good Quality ASTM A106 A53 20# 45# Q235 Q355 Steel H-Beam I-Beam Universal Beam Iron H for Structure Construction - Liaocheng Mingxing Pipe Manufacturing Co., Ltd.