Level 29. Xiaomi sea cucumber belongs to 29 categories of trademarks, while 45 categories of trademarks * * *, 1 to 34 are commodities, 35 to 45 are services, and the 29th category is food, including bird's nest, dried pork floss, sea cucumber (non-living), milk powder, milk and nuts. Categories are commodity trademarks, service trademarks, collective trademarks and certification trademarks.