The cost of manufacturing the goods is several times lower than the market value. And there is also a place to be the value of the goods. For example, to make a $ 10 bill, you need to spend conditionally 1 cent, but the same 1 cent will be able to provide a $ 100 bill.
No one ever sells without making a profitable profit for him, especially when it comes to large business. In the case of Pandao, price = quality, it's all made in China