Customer can choose their shipping method while purchasing the product at shopify store. Set your Preferences in My Settings and import the product, then aliexpress shipping methods are available at shopify store checkout page. Note: Only available for Advanced Shopify plan or higher/Shopify plan is paid annually
All shipping methods are shown in aliexpress product view page for that product will appear during the checkout process of that particular product in shopify store.
Those Aliexpress shipping methods will display in shopify checkout page, so that customer can choose their favorite shipping carrier service. After that they can complete payment process.