Pinduoduo's buyer's private account is a way for Pinduoduo platform to control the group of stores that ship on behalf of others without a source of goods.

You can apply to view the private account. Apply to view the order you need to ship, enter the reason you need to view, and click confirm to display the buyer's real phone number. There is a ratio of orders that pass the review, and not all orders from the same store can apply. So this effectively controls the group of stores that ship on behalf of others without a source of goods.