Daily life and industrial production for use in auxiliary and accessories of finished goods. Early multi-gold, silver, copper, iron, tin and other metal materials, hence the name.

     Hardware In addition to using a variety of metal materials are also widely used plastic, fiberglass and other non-metallic materials. Hardware in human survival and development plays an important role. As social and economic development and social division of refinement, hardware gradually enriched and improved, more and more varieties. Use of modern hardware can be divided into three categories: for everyday household hardware, as production and living with auxiliary tools, hand tools, buildings and structures as the connectors, fasteners and construction of facilities Hardware. Metal hardware products generally made by forging billet, machining, surface treatment processes is made. Surface treatment for the purpose of corrosion and appearance. Non-metallic materials, hardware multi-use molding or compression molding, with a lightweight convenience features.