What industry does metal products belong to? If you are involved in this industry, you all know that metal products belong to the hardware industry. How many categories of trademarks do metal products belong to? Now everyone will know which category of trademark metal products belong to based on the hardware trademark classification. Hardware belongs to Category 6 under the trademark, group 0603 Metal Building Materials, and 0609 Daily Hardware. The trademark classification of metal products is also Trademark Class 6, Group 0602 Ordinary metal pipes and accessories Metal sleeves (metal products) 0600920612 Metal utensils, metal hardware (non-machine parts) Spring (metal products) 060206 Recommended fine metal products: