Do pharmaceutical distributors have the right to demand payment for goods?

According to the relevant data, the medical distribution fee is only responsible for distributing drugs, and has a certain right to know the source of drugs or drug samples, but has no right to claim the price of drugs, nor does it have the right to claim whether the owner has lent the purchased goods, but can only be responsible for sending the goods to the designated place. However, it is suggested that the owner must ask the actual situation of the goods next time and try not to pull goods with poor supply.