There is no threshold and no charge for the sea selection of treasure hunting. As long as it is a legal collection, it can be displayed, and experts will conduct free appraisal to select the collections and collectors who enter the program. The experts in the treasure hunt and sea election activities are all authoritative experts in China, with rich experience and knowledge accumulation. Experts and collections are arranged in five categories: jewelry, jade, bronze, ceramics, calligraphy and painting, and miscellaneous.