It is refundable to buy things from duty-free shops on WeChat.
At present, goods are returned for no reason within 7 days. As long as the goods are intact and unopened, and the original quality, function, product itself, function and trademark logo are complete, you can provide unreasonable return service. However, you need to return the goods to the designated place at your own expense. After the customer service department inspects the goods, you can enter the return process and return your payment within three weeks.
How to view WeChat bills:
How to view your bills in the previous year on WeChat? First, you need to open WeChat, click Me in the lower right corner, click Select Pay, then go into your wallet and select bills to view them. Click all transaction types to view bills by category, and click time to view bills by month.