Budget: 900 UAH Deadline: 10 days
Good day, for your task there is a ready solution(https://promium.com.ua/) on import/export of goods (may already be connected to your supplier's app)
With the help of the program you will be able to download to the site only the categories and products you need, work with the curve, etc.
by P.S.
I can help with the setting. If your provider is not in the program, we can discuss its integration.
