Andy said that the brand of Baoshilong is really true. The fact that Andy was wearing a jewel dragon at the ELLE fashion ceremony can be taken as clear evidence. By cooperating with the brand and becoming its spokesperson, Andy showed her recognition and support for the brand to the public. This kind of endorsement activity is usually signed by both parties through consultation, and is widely used in marketing, aiming at improving product or brand awareness, shaping image and promoting sales.