Includes about $1.4 billion in local property tax exemptions for the Formosa Petrochemicals.
Opponents argued the proposal should be improved to add more protections for taxpayers, workers and the environment.
Small business owners would see their top tax rate go from 39.6% to 15%.
Premier is offering relocation subsidies, tax breaks and royalties.
And other tax and regulation changes in Ontario that came into effect Jan. 1.
Finance Minister says oil slump prevented further tax breaks in last month’s federal budget.
As growth slides, the Chinese government looks to boost its struggling private sector with funding, tax breaks and credit for small business.