According to the Bureau of Industry and Information Technology of the Chosan Autonomous Prefecture of Yanbian, Jilin Province in China, Jilin-based steelmaker Tonghua Iron and Steel Corporation Ltd (Tonghua Steel) has formally started comprehensive construction of its Tadong iron ore project following the recent approval of the project by China's National Development and Reform Commission (NDRC). To date, over RMB 1 billion（$150 million）has been invested in the Tadong iron ore project for construction of infrastructure and ordering of equipment.
Tonghua Steel was established on September 2007, with registered capital of RMB 1 billion（$150 million). Tadong iron ore mine, the largest in Jilin Province, has proven reserves of 132 million mt of iron ore, with an average ore grade of 25.38 percent and an estimated mine life of around 34 years. After commissioning of the project, 5 million mt of iron ore is expected to be processed per annum, with an annual production capacity of 1,020,000 mt of iron ore concentrate. Sales revenues are expected to reach RMB 1.9 billion ($286 million) per annum.