Metal products in the manufacturing industry and general parts in general equipment manufacturing and other related products in the classification constitute the usual sense of "hardware". It can be seen that "hardware" is not an existing industry category, but a cross combination of the above metal products hardware products. In the whole manufacturing industry, the responsibility of "hardware" is to provide manufacturing enterprises with parts and production tools, rather than as the final use of industry-specific equipment. However, we can not deny the important role of "hardware" in the social production process: "hardware" and manufacturing industry are intertwined and inseparable as a whole.