It is hereby found and declared by the Illinois General Assembly that
(1) The production of steel products provides the jobs and family incomes of hundreds of thousands of people in this State and, in turn, the jobs and family incomes of millions of persons in the United States;(2) The taxes paid to the State and its political subdivisions by employers and employees engaged in the production and sale of steel products are a large source of public revenues in the State;(3) The economy and general welfare of this State and its people, as well as the economy and general welfare of the United States, are inseparably related to the preservation and development of industry in this State, as well as all the other states of this nation. The General Assembly therefore declares it to be the policy of the State of Illinois that all public officers and agencies should aid and promote the economy of the State and the United States by specifying steel products produced in the United States in all contracts for construction, reconstruction, repair, improvement or maintenance of public works.