Fasteners are a type of mechanical part that is used for fastening connections and is widely used. Various kinds of fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, meters and supplies. It is characterized by a wide variety of specifications, different performance and usage, and a high degree of standardization, serialization, and generalization. Therefore, it is also known as a standard type of fasteners that are already in the national standard, or simply referred to as standard parts. Fasteners are the most widely used mechanical basic parts. With China's accession to the WTO in 2001 and entering the ranks of major countries in international trade. Fast fastener products that are exported to fasteners in many countries in the world and countries in the world are also pouring into the Chinese market. Fasteners, as one of the products with a large volume of imports and exports in China, are in line with international standards. They have important practical significance for promoting the global participation of fastener companies in the world and promoting the full participation of fastener enterprises in international cooperation and competition. Strategic significance.
Due to the specific requirements of each specific fastener product's specifications, dimensions, tolerances, weight, performance, surface conditions, marking methods, and acceptance inspections, markings, and packaging.