"mooncake sales are extraordinarily hot this year and it has become one of our business highlights these days," said tang lei, public relations manager at ebay eachnet.
　　overseas chinese also observe the traditional festival and their relatives at home often mail mooncakes to them.
　　the postal authorities required parcel senders to become aware of food export regulations about the countries where their relatives live.
　　beijing capital international airport also remind passengers not to take mooncake boxes containing bottles of alcohol on flights.
　　many passengers are taking mooncakes on board with them as gifts for friends and family. at least four or five brands of mooncake gift boxes also contain bottles of liquor, said airport authorities.
　　according to aviation security rules, passengers are forbidden from taking any alcohol onto planes. violators will have to either leave their mooncakes behind or, if time permits, send them through luggage consignment.