Use text description to indicate the quality of the product.
The quality of some commodities, especially agricultural and sideline products, varies depending on the place of origin. In transactions, the place of origin alone can indicate the quality of the goods, that is, buying and selling based on the name of the place of origin. Such as Sichuan Fuling mustard, Zhejiang Jinhua ham, Shandong Longkou vermicelli, etc.
Buying and selling based on trademarks or trademarks means that for certain goods with stable quality and good reputation in the market, buyers and sellers directly use the trademarks or trademarks of these goods as the quality of the goods when negotiating and signing contracts. It means that trading in this way is called buying and selling based on a trademark or trademark.