If you want to do foreign trade, you need to determine the scope of your business, in short, that is, you have to determine what you want to sell or do business, according to such a situation in order to formulate your line of travel.
And in this, market research is more important, if not after market research, you do not know whether the local supply and demand for your things, if not need or this item is completely saturated, it is very difficult to do up, or the interest is very low.
Start with these two points, if you have questions, you can ask them! I wish you the best of luck!!!