$PDD(PDD.US) building an online brand is a logical move. They know exactly what sells well. They can take high-volume products to the extreme, ensuring both good quality and low prices for end-users (by cutting out all middlemen). They just need to select some representative products to build their own brand; they don't need to brand every single item. This is essentially the Costco model. If Pinduoduo's online brand only has around 4,000 SKUs, it could be quite formidable in 10 years.$Costco Wholesale(COST.US)