Sales in Beijing's 43 key retail enterprises climbed, year-on-year, 9 percent during the three-day Dragon Boat Festival, Beijing Commercial Information Center said on Thursday.

Supermarket and restaurants sales increased significantly, especially on holiday related dishes, according to the research center.

Beijing Municipal Bureau of Statistics said last month that the city's January-April retail sales reached 264.69 billion yuan ($43 billion), a year-on-year increase of 10 percent, representing a 0.6 percentage point gain from January-March period.