Along with the gradual improvement of China's socialist market economy, relevant reforms have been made in the fields of the investment, construction and operation of urban environmental facilities.

China is in the stage of speedy industrialization. The large scale exploitation of mining areas has occupied and wasted a great many of land resources, which has made the serious situation of arable land protection become more serious.

From the beginning of the year, some new characteristics have turned up in China's economic growth.

China has entered a new development phase at the turn of the 21st century, which involves the transition from the realization of the second-step strategic goal to the third-step strategic deployment.

The first 20 years of this century will experience a new period for China's development, during which the country is comprehensively building a well-off society.

In 2005, the industrial added value of state-owned and state holding enterprises reached RMB 2,606.3 billion yuan.

In this article, we select 11 sample enterprises to analyze their innovation effort and experience and put forward some suggestions.