Where can I buy a flow card to Macau?

The business halls of the three major operators or online. You can go to China and Macau directly with your usual mobile phone card. Buying China and Macau traffic packages is the most convenient way. You don't need to change your mobile phone number. In China and Macau, this feeling is exactly the same as in Chinese mainland. China and Macau Flow Cards can be purchased online or in the business halls of the three major operators. Flow cards are Internet of Things cards, commonly known as: flow cards, IOT cards, and cards with only Internet access but no voice and SMS functions are all IOT cards.