Never before has China's energy issue aroused so much concern by the public and the reasons are as follows.

Since January 2007, investment has mounted up again at a slower pace，consumption has become increasingly brisk，and the domestic demand has speeded up at a higher level.

As a result of production increase for three consecutive years, the gap between supply and demand of grain in China has been greatly reduced.

In the first half of 2007，the national economy continued to maintain a rapid growth with a total GDP of 10676.8 billion yuan，a year-on-year increase of 11.5%，accelerating by 0.5 percentage points（Figure 1）.

Knowledge innovation refers to the process of acquiring new knowledge of natural science and technology through scientific research (including basic research and applied research).

Currently, China is undergoing a very crucial period of transforming its mode of economic growth.

Establishing China's oil reserve system is an important policy measure to maintain national energy security.

Private equity investment, which is called PE (Private Equity) for short, refers to a kind of investment into non-listed equity or non-publicly traded equity (private equity) of listed companies.