Taiyuan Iron & Steel (Group) Co., Ltd. (Taigang) is China's largest steel conglomerate and the world's largest stainless steel enterprise with the most advanced technology and equipment. In 2013, it produced 9.98 million tons of steel, achieved sales income of 146 billion yuan, and profit of 500 million yuan, ranking the forefront of the industry. The main products of TISCO are stainless steel, cold rolled silicon steel sheet (roll), carbon steel hot rolled coil, train axle steel, alloy die steel, military steel and so on. Stainless steel, stainless steel composite plate, electromagnetic pure iron, train axle steel, tread plate, and welding bottle steel have the largest market share in China, and the competition cost of sintered ore, steelmaking pig iron, continuous casting slab, medium plate and hot rolled coil The industry is the first.