Workers pack mantou at a shop in Wanggezhuang subdistrict of Qingdao. [Photo by Du Chunlai/qingdaonews.com]

A girl enjoys a Wanggezhuang giant mantou with porridge. Wanggezhuang's mantou products are sold all over the world. [Photo by Du Chunlai/qingdaonews.com]