Auxiliary and accessory products and hardware products used in daily life and industrial production
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Release time：2021-09-15 00:00
Auxiliary and accessory products used in daily life and industrial production, and hardware products used in daily life and industrial production. In the early days, it was made of gold, silver, copper, iron, tin and other metal materials, hence its name. Now, in addition to using various metal materials, it is also widely made of plastic, glass fiber and other non-metallic materials. Auxiliary and accessory products used in daily life and industrial production. In the early days, it was made of gold, silver, copper, iron, tin and other metal materials, hence its name. Now, in addition to using various metal materials, it is also widely made of plastic, glass fiber and other non-metallic materials. Hardware products have played an important role in the process of human survival and development. With the development of social economy and the refinement of social division of labor, hardware products are gradually enriched and improved, with more and more varieties. Modern hardware products can be divided into three categories according to their uses: daily hardware for daily life, hand tools as auxiliary tools for production and life, and building hardware as connectors, fasteners and supporting facilities in buildings and structures. The hardware products of metal materials are generally made by forging, machining, surface treatment and other processes. The purpose of surface treatment is to prevent corrosion and look beautiful. Metal products made of non-metallic materials are mostly molded by molds or pressure, which are light and convenient.