Why are Alibaba's weather pills so cheap?

Alibaba's meteorological pills are cheap mainly by wholesale and procurement, and the quantity goes. According to relevant information, when offline entity shopkeepers, retailers, Taobao shopkeepers, etc. Need to purchase goods, Taobao shop owners have two choices, one is to directly find offline manufacturers and suppliers, and the other is to directly purchase goods in batches on the website. Now that the logistics industry is so developed, the cost of purchasing goods directly from the website is low and the speed is fast, so many people choose to purchase goods from the website. There are more people buying goods, so it is not surprising that shirts bump, unless there is a customization or monopoly agreement with the manufacturer.