bolts and nuts, screws, pins, seal rings ,auto parts application
Fasteners are a class of mechanical parts that are used for fastening connections and are extremely versatile. A wide variety of fasteners can be found on a variety of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, meters and supplies. It is characterized by a wide variety of specifications, different performance uses, and the degree of standardization, serialization, and generalization is also extremely high. Therefore, some types of fasteners with existing national standards are also referred to as standard fasteners, or simply as standard parts. Fasteners are the most widely used mechanical foundation. As China joined the WTO in 2001 and entered the ranks of international trade powers. China's fastener products are exported to the world, and fastener products from all over the world are also pouring into the Chinese market. As one of China's large import and export products, fasteners are in line with international standards, and it is of great practical significance to promote the Chinese fastener enterprises to the world and promote the full participation of fastener enterprises in international cooperation and competition. Strategic significance. Due to the specifications, dimensions, tolerances, weights, performance, surface conditions, marking methods, and specific requirements for acceptance inspection, marking, and packaging for each specific fastener product.