
ZHEJIANG HIGH-INTENSITY FASTENER CO.,LTD
It has been committed to the design, testing and manufacturing of special grade high-strength fasteners, high-temperature pre tightening Belleville springs, military large plane volute spring series and other related products for nearly 30 years.
Member unit of national fastener Standardization Technical Committee
Member unit of national pipeline accessories Standardization Committee
Member unit of pressure pipeline safety branch of national pressure vessel Standardization Technical Committee
Director unit of China Heat Treatment Association
Member of China Entrepreneur Association
Member of China Entrepreneurs Federation.
2025/09
Unveiling the Future of Fastening: Biangular Screws in Today's Industry
Explore the innovative world of Biangular Screws and their impact on modern industries. Discover how these fasteners are changing the game!
2022/08
Classification and selection of high temperature preloaded disc springs
Measure and load the load of the combined disc spring on a testing machine with an accuracy of not less than 1%. (I≤10 pieces, butt combination) Use lubricant in the test, and the hardness of the pressure plates at both ends needs to be above 52HRC.
SALES PERFORMANCE
Sales performance
It is widely used in large national projects such as petroleum, chemical industry, shipbuilding, nuclear industry, large machinery supporting, aerospace, military industry and so on.







