The president of the World Iron and Steel AssociationYu Yong,said at the 11th China International Iron and Steel Conference that the modern steel industry in the world has gone through a history of 165 years.World iron and steel industry development center from the UK ，the United States, Japan to China, the past 25 yearsthat China has become the world's largest steel producer,it has produced nearly 13 billion tons of crude steel, accounting for nearly 40% of the world's total output during the same period. In 2011, it became the world's largest steel manufacturing country, and China's steel has become an important part of the world's steel. The world steel industry has entered the "China Era"