The government invested RMB 350 million yuan to close down all kiln cement factories and clay brickyards.

Closed down Cement Plants

The city enforces the inspection of vehicle emission to reduce air pollution; it also forbids the sale and use of leaded gasoline.

Vehicle Emission Tested by Environmental Professionals

Desulfuration equipment for boilers used in paper mills and power plants are obligatory and they must guarantee a 95% treatment rate.

In the catering industry and residential areas, the use of oil has been replaced by LPG and LNG. In government offices, schools, and enterprises the use of solar energy and other clean energy sources have been introduced.

With an investment of US$ 400 million dollars, the city developed an LNG project in 2003; nowadays, the city uses LNG in a large scale which effectively improves the quality of the air.