-During the term of the agreement, make use of the patent right to manufacture in its production plant.
-During the agreement period, use the patent right to sell the products manufactured by its manufacturer in the sales area permitted by this patent.
Sales in the sales area licensed by this patent. Where is your sales area? Does it include the Canton Fair?
If it's in your sales area, no problem.
This is a product for sale, which mainly introduces the product and is not infringing.
Second:
Within a reasonable range, certain publicity is allowed.