Governs the tonghua iron and steel co., LTD., jilin ferroalloy group co., LTD., the rock seamless steel tube co., LTD., tonghua web navigation information technology co., LTD., tonghua blue information technology co., LTD., jilin welded pipe co., LTD., SLATE mining company, big chestnut mining company, birch mining company, siping, tonghua steel strand company 12 subsidiaries, such as international trade company. Mainly engaged in ferrous metal mining, mineral processing, steel and iron alloy smelting and rolling processing, metal products, coking, metallurgy design, related to the main raw materials procurement and product sales, mechanical processing and chemical products, transport, instrument electric appliances and auto repair, cement and products, technical consulting, import and export trade, etc.