The first is the core categories, including Category 5 (medical nutritional food, medical nutritional drinks, etc.), Category 29 (various meat products, edible vegetables, etc.), Category 30 (pastry) , rice noodles, condiments, etc.), Class 31 (fresh fruits, vegetables, live animals, etc.), Class 32 (beer, non-alcoholic beverages, etc.), Class 33 (liquor, wine, etc. containing alcoholic beverages, etc.).

The second is the secondary category, including Category 35 (franchising, franchise chains, advertising, etc.), Category 39 (logistics, distribution, etc.), Category 40 (food and beverages) Processing, etc.), Category 44 (Nutrition and dietary guidance, etc.).

The third is the peripheral category, including the first category (chemicals for food preservatives, glucose, etc.), the second category (beverage colorants, food colorants, etc.), and the third category (cleaning preparations, dishwashing liquids, Spices, etc.), Category 6 (hardware, metal containers, etc.), Category 7 (machinery and components for the food industry, etc.), Category 11 (range hoods for kitchens, disinfection cupboards, sanitary equipment, etc.), Category 7 Category 12 (dining carts, etc.), Category 16 (plastic wrap, food-related periodicals and magazines, etc.), Category 20 (sideboards, tables and chairs, etc.), Category 21 (kitchen utensils and containers, etc.) , Class 24 (napkins, tablecloths, washing gloves, etc.), Class 37 (installation and maintenance services of kitchen equipment, etc.).