| The investment is very important for a company's development. The company'production ability, technological innovation, and human resource mostly depend on the investment. Tuha Oil Field Exploration & Development Headquarter is one of the most important Oil-Gas Field Engineering &Technology Service companies attached to CNPC. After being reformed in 2000, by durative and abundant investment, it has improved the equipment's number and level, technology's developing ability, the staff's inner ability and their life environment. And, its expanding ability of market has been improved; also the sale income has grown quickly. But in recent two years, the effect of investment promoting has fallen, so we need analyze the investment a few years ago, then find its problems for the Headquarter, change the investment structure, and conclude the investment regulation. By doing these, we can help the Headquarter direct the orient of future investment and make it get more development.In the base of the reality of Headquarter, The article analyzed much related datum, and then built a scientific and effective system for appraising the investment with the methods of scientific theory. The article also made use of the system to evaluate the investment effects, which is detailed and just for the recent period from 2000 to 2006. After the assessment, it pointed out the deficiency of investment, and concluded the investment rules. In the last, the article made some suggestions for improving the investment effects, which would be helpful for the Headquarter's future development. |