When encountering problems with products, please contact our customer service through the following methods on online shopping platforms:
 Amazon
Click on the store name on the product purchase page, then click the "Ask a question" button to contact customer service.
Click on "My account" on the product page, then click "Orders," select the relevant order, and contact the seller.
 AliExpress
On the product purchase page, find the store name, then click the "Contact" button to contact customer service.
On the storefront page, hover the mouse over the store name and click "Contact Now" in the pop-up window.
 Lazada
On the product purchase page, find the store name, then click the "Chat" button next to it to contact customer service.
On the storefront page, find the store name, then click the "Chat Now" button next to it to contact customer service.