What kind of trademark does sandbags for flood control belong to?

Fire fighting equipment. Special sandbag for flood control is a kind of fire equipment, commonly known as flood control sandbag and fire emergency kit, and some people like to refer to sandbag or sandbag for short. Under the arrangement of the staff, special sandbags for flood control will be placed in advance as an emergency water retaining function. They are also widely used in urban construction, including underground parking lots, underground garages and other low-lying environments. Special sandbags for flood control apply for trademarks and fire fighting equipment.