the China Post provides free shipping on some products on AliExpress but has a delivery period of 20 to 39 days. Some goods are free, but the delivery method is decided by the seller on AliExpress.
the top way to market online to B2B buyers and sellers in another country is using intercom.com. they help generate sales, marketing and also offer support teams to better communicate with the customers. Website also has, customised chats and web live chats option.