缅甸卑谬依诺瓦底江大桥的上弦杆为钢箱杆件。
Top chords of Pyay Irrawaddy River Bridge in Myanmar are of steel box members.
天津润江鑫钢铁有限公司介绍：本公司主要经营角钢，槽钢，工字钢，等。
The day moistens and enriches the river Xin steel and iron Limited company to introduce: This company mainly manages the angle steel, the channel steel, the I-steel, and so on.
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