1. wholesale market: each city has its own wholesale market, including daily necessities, stationery, non-staple food, etc. You can go there to wholesale sanitary napkins at a relatively affordable price.

2. Factory direct sales: Some manufacturers will provide direct sales service for sanitary napkins. You can contact the manufacturers directly to get more favorable prices.

3. Brand agents: You can contact brand agents to purchase daily necessities, food and beverages and other fast-moving goods in the supermarket. It is a common purchase channel for small and medium-sized supermarkets. It is the most convenient and easy way to purchase goods through agents without the requirement of single purchase quantity.