Ling Steel is one of the companies that have first passed the “Standard Specification of Steel Industry” that examined and verified by Ministry of Industry and Information Technology of the P.R.China. Throughout the extensive technical reconstruction in recent years, the main equipment of Lingsteel becomes more huge, modern and energy-saving. There are 5 blast furnace,6 converters, 5 continuous steel bar rolling lines.1 high-speed wire rod rolling line,1 medium-width hot rolled strip rolling line, 2 hot rolled seamless steel pipes production lines,3 spiral welded pipe production lines and 6 welded steel pipes production lines .