1, fiscal funds, refers to the fiscal revenue of local governments.

2, the central level funds, refers to the use of the central government to the provinces issued by the central level funds for the project.

3. Self-raised funds refer to the funds obtained by the project unit through self-raising or the superior competent unit.

4. Enterprises use their own surplus funds, previous year's surplus funds and bank loan funds. The source of funds in bidding refers to the source channel of funds.