By YU NAN
What are the most popular franchisedcommodities for World Expo 2010Shanghai? In Dong Huanglings view,the answer is Haibao. Haibao, the mascot of theExpo, has become the most sought-after productat the flagship store on Nanjing Road in Shanghai,the citys most bustling street. Dong, the storesmanager, says the happiest moment of her day iswhen she helps customers pack their goods andsees them leaving with a happy smile.