Take context from the input text and decide on the accurate relationship between 'Meituan' and 'Beijing' from the options provided.
Options: location of formation, operator, brand, headquarters location

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