How to find out United States’ import and export tax rate ?

If you want to check the U.S. import and export tax rates, you can find it on this website: https://hts.usitc.gov/

On this website, you can find out the product description, unit of quantity, rates of duty (general / special) and anti dumping rates by searching with the relevant product name or HS code.

The following figure is a schematic diagram of searching for USA’s plywood import & export tax rates: