What you want to ask is when did the catering group purchase in Lanzhou begin? 20 13. according to the query of Daxibei.com, the socialization, marketization and enterprise of catering group buying industry have become the main theme of 2 1 century, and the group meal market has begun to take shape. In 20 13, the "eight regulations" and "ten prohibitions" of the central government put forward that the high-end catering industry in Lanzhou suffered from the cold winter and began to appear group buying, so the appearance of group buying in Lanzhou began in 20 13.