Marketplace: By year-end, Amazon will make it easier for SHEIN merchants to choose Amazon MCF to fulfill their SHEIN Marketplace orders through the Amazon MCF for SHEIN app. By using the Amazon MCF for SHEIN app, merchants will be able to delight their SHEIN Marketplace customers with fast, reliable delivery from Amazon MCF. Shopify Fulfillment Network : Merchants can now select Amazon MCF as their fulfillment partner to deliver their Shopify orders quickly and reliably as part of Shopify Fulfillment Network. To sign up, businesses can select Amazon MCF to pick, pack, and ship their Shopify orders via the Shopify Fulfillment Network in Shopify admin. To sign up, businesses can select Amazon MCF to pick, pack, and ship their Shopify orders via the Shopify Fulfillment Network in Shopify admin.