Lighting, heating, steam, cooking, refrigeration, drying, ventilation, water supply and sanitation equipment.

So the electric kettle, rice cooker and induction cooker you listed should be in the category of 1 1.

Trademark registration category 2 1

Household or kitchen utensils and containers (made of non-precious metals or plated with precious metals, etc.). ); Combs and sponges, brushes (except brushes), brush-making materials; Cleaning utensils; Steel velvet; Unprocessed or semi-processed glass (except architectural glass); Glassware, porcelain and pottery not included in other classes.

Therefore, your list of thermos bottles, bottles, coffee pots, large and small kettles and heat preservation barrels should be in the category of 2 1.