Are all the goods you bought before come out of mixed quality? Should bring you a lot of trouble, right? (Grasp the pain points of customers) We will eliminate this approach. Integrity management is the philosophy we have always adhered to. We will never ruin the company’s reputation for more than 20 years for a little profit. What we need is a long-term cooperation with customers. Moreover, DBX has its own quality classification, which will be strictly tested before shipment. Would you like to take up a few minutes of your precious time, let me introduce to you several of our existing qualities and the differences between them, and then you make a choice?