Such enterprises will include those in the industries of petroleum, petrochemical, steel, nonferrous metals, electric power, chemicals, coal, building materials, transportation, machinery industry, and which meets one of the three requirements below: :

1. Consuming more than 2 million tons of standard coal in energy consumption;

2. Annual sulfur dioxide emissions by more than 50,000 tons;

3. Emissions of CO2 by more than 5000 tons.