Taiyuan Heavy Industry (TYHI), the first listed company in Chinese heavy-duty machinery industry, was established in 1998. TYHI was originally known as Taiyuan Heavy Machinery Plant, which was set up in 1950 as the first heavy-duty machinery manufacturing enterprise in China. The main products cover wind power equipment, train wheel and axle, forging equipment, excavators, cranes, rolling mills, coke oven machinery, chemical equipment, offshore equipment, port machinery, construction machinery, nuclear power containers, gears, castings and forgings, oil-film bearings and engineering contracting. TYHI has supplied more than 2,000 types of nearly 30,000 sets of equipment to national key projects.