3.7%。 The MFN rate of natural asphalt is 8%. From June 65438+1 October 1 day in 2022, the tariff rate of petroleum asphalt from South Korea was adjusted from 4.267% in June 20261day to 3.7%, and the tariff rate of asphalt in 2022 was 3.7%. The product category of asphalt belongs to the category of business tax, which will lead to the increase of the overall tax rate of asphalt.