Masteel group is a very large integrated iron and steel enterprises in China and the important steel production bases, under the jurisdiction of the anhui provincial government and provincial state-owned assets supervision and administration, the main business for the black metal smelting and rolling processing and product sales stretch processing, steel products, mineral products selecting, steel structure, equipment manufacturing, construction, design and installation, technical advice and services, etc., of which iron and steel production business in maanshan iron and steel co., LTD. By the end of 2008, the company had a production capacity of 16 million tons of steel, with 60,000 employees and a total asset of over 76 billion yuan. Among the "top 500 Chinese enterprises in 2011", it ranked 116th with its operating income of 680.595.8 billion yuan.