Need. According to the inquiry of Metro official website, Metro is a warehouse member store, and you must pay to become a member before you can enter the consumption. Whether a business or an individual wants to shop in Metro, you must have a membership card, and each membership card corresponds to a membership number. Metro is a leading international food department store wholesale and retail group. Since its establishment, Metro has been insisting on providing professional food department store supply services for restaurants, pubs, small convenience stores and family consumers.