msg aliexpress refers to the messaging system on AliExpress, an online marketplace for buying products directly from Chinese suppliers and manufacturers. Buyers and sellers can use the messaging system to communicate with each other regarding product details, order status, shipping issues, and more. This communication channel is an important tool for resolving any questions or concerns before and after making a purchase. If you are considering buying products from AliExpress, it’s a good idea to message the seller first to clarify any doubts, check the availability of the items, or confirm shipping timelines. Additionally, the messaging system can help resolve disputes or misunderstandings during the order process, making it a useful resource for both buyers and sellers.