Fasteners are a type of mechanical parts widely used for fastening connections

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Fasteners are a type of mechanical parts widely used for fastening connections. Various fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, instruments, and supplies. Its characteristics are a wide variety of specifications, diverse performance and uses, and a high degree of standardization, serialization, and generalization. Therefore, some people also refer to a type of fastener that already has national standards as standard fasteners, or simply referred to as standard components. Fasteners are the most widely used mechanical foundation components. With China's accession to the WTO in 2001 and entering the ranks of international trading powers. Our country's fastener products are exported in large quantities to countries around the world, and fastener products from various countries around the world are also constantly entering the Chinese market. As one of the products with a large import and export volume in China, fasteners have important practical and strategic significance in achieving international integration, promoting Chinese fastener enterprises to go global, and promoting their full participation in international cooperation and competition. Due to the specific requirements of each fastener product's specifications, dimensions, tolerances, weight, performance, surface condition, marking method, as well as acceptance inspection, marking, and packaging.