Analyze the relationship between 'Meituan' and 'Beijing' within the context of the input sentence.
Options: headquarters location, operator, brand, location of formation

Our self-operated model Meituan Grocery, that's Meituan Maicai, not only materially expanded its coverage in key cities such as Beijing and Shenzhen, but also began operation in such new cities as Guangzhou in July.
headquarters location