Changchai Co.Ltd is the first listed company in the national agricultural machinery industry and Changzhou city. The companys total capital stock amounts to 374,000,000,00shares, of which 31.43% is state-owned, 2.69%is held by juridical persons, 39.16% is traded A shares and 26.72% is traded B shares. It is a large-scale enterprise and it is aone of 520 main corporations which strongly supported by the state government. Now, the company consists of two majority-owned subsidiaries and ten share subsidiaries. so far, the total property is nearly 1.830 billion yuan, the net asset is 902 million yuan, and it is staffed by 3,845 registered employees. The company is provided with an annual output capacity for 1,500,000 sets of fuel engines, 400,000 tons of castings, 100,000 sets of multi-cylinded diesel engines and 1,200,000 sets of single-cylinder diesel engines. In 2005, the company has saled a total number of 107 million sets of diesel engines, it witnessed an operating revenue of 1,855 billon yuan and a profit of 4,92million yuan. So far, the company has produced a total number of 18million sets of diesel engines and it exported to 78 countries and areas, the market proportion was the first in the domestic