... YB/T5047-2000 Length:8m,9m,10m Except the Steel I-Beam, the main products of our company ... Length is 12m,12.5mU-Beam of The Mine Steel Channel of 25U,29U,36U,material is 20Mnk/Q275 ... a famous brand and best qualified goods of China. Hebei YongYang Steel Company Ltd is a joint venture with ... income reaches 240million. The annual designed output of steel of our company is 600000 tons for which including ...