Customers warned about online suppliers trading without their own websitesLe Thi Thu Hang from HCM City’s Go Vap District recently ordered a product displayed on an e-commerce marketplace from a supplier that had no e-commerce website. E-commerce websites play a role in quality control and protect customers’ interests. “After I said no, I received an email that said they had run out of the item.”E-commerce websites play a role in quality control and protect customers’ interests. Many suppliers who trade directly with customers provide low-quality products, an e-commerce expert said. To limit trade without e-commerce websites as well as protect customers’ interests, e-commerce websites should stop contracts with suppliers who try to trade directly with customers, and hire more customer-care staff to warn buyers about inappropriate sellers, according to a representative of one e-commerce website.