This plugin offers shipping rates by Correios. Correios shipping module allows you to easily offer shipping rates based on the postal code and weight of the package. With the help of this shipping, you can allow different Correios Shipping methods with delivery time. Vendor can manage the invoice and shipping of their products from the vendor panel. At the time of checkout, customers will find all the available Correios shipping methods and can also see the estimated delivery time with shipping cost.
More information about the Correios can be found on their official website here: https://www.correios.com.br/