Refer to the input text as context and select the correct relationship between 'Meituan' and 'Beijing' from the available options.
Options: operator, location of formation, headquarters location, brand

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