Since December 2012, the industrial added value, power generation volume year-on-year growth, the national economy to pick up signal has been very obvious the Tianjin steel market worth looking forward to in 2013. Interest rose and optimistic on the latter is expected to contribute to several major steel mills raised March prices. The prices of raw materials such as iron ore, billet steel mills decline in profitability led to adjustment in recent months Zhuo record information largest steel analyst Liu Xinwei told the Herald reporter. Taking into account the industry-wide profit margin of only 0.04% price increase in 2012 is also logical. As of February 21. Last week (February 16), 1.6187 million tons the Tangshan main warehouse and port of the same caliber statistics, Q345e steel pipe inventory of 1,768,500 tons. Up to 149,800 tons, a new record. January 18, social inventory of the nation's major markets five varieties of steel rose to 14.346 million tons, an increase of 329,000 tons over the previous week, which Q345e seamless steel pipe inventory incremental increase for eight consecutive weeks. http://tjdsgg.cn