AliExpress offers multiple channels for customers to reach out for assistance. You can access their 24/7 customer support through the Help Center on the website or app. Here, you can find answers to common questions, submit inquiries, and open disputes. Additionally, you can contact the seller directly through the “Contact Seller” button on the product page or order details page. Remember to maintain a polite and professional tone when communicating with sellers to ensure a smooth resolution to any issues that may arise.