Insulation Fasteners are widely used in automotive, railway, aerospace, mechanical, electrical, electronic, military, shipping, petrochemical, construction and other industries and fields. In 2017, China exported 2.9092 million tons of fasteners, accounting for 1/4 of the world's output, an increase of 5.82 % over the same period of last year. Exports are worth about $5.05 billion, up 11.2 % from a year earlier. China has become a big country in fasteners, from production to sales is moving forward step by steps. With the increasing demand of foreign fastener enterprises for the procurement of fastener in China, it is increasingly urgent to purchase fastener in China and fastener will usher in greater development space.