Related: Instagram’s Newest Hashtag Movement: The #Fatkini Though still largely unknown in the Western world, daigou has been a robust industry in China for a few years — with the market expanding 19 times between 2008 and 2012. The word roughly translates to “buying on behalf of,” referring to overseas agents that purchase and carry back merchandise to China. These services are available for anything from face creams to infant formula to luxury goods.