Zhejiang High-Strength Fastener Co., Ltd. (a joint-stock enterprise) is committed to designing, testing and manufacturing high-strength fasteners, high-temperature pre-tightening disc springs, military large-scale flat worm spring series and other related products for nearly 30 years. It is a member of the National Fastener Standardization Technical Committee, a member of the National Pipeline Attachment Standardization Technological Committee, a member of the Pressure Pipe Safety Branch of the National Pressure Vessel Standardization Technical Committee, a member of the National Marine Machinery Standardization Technical Committee, a member of the Annex Subcommittee of the Management System of the National Marine Machinery Standardization Technical Committee, and China Heat Treatment Association member unit, member of China Entrepreneurs Association, member of China Entrepreneurs Federation.

"High-strength" brand fasteners and high-temperature pre-tension disc springs and other related components are widely used in large-scale national projects such as petroleum, chemical industry, shipbuilding, nuclear industry, large-scale machinery supporting facilities, aerospace, and military industry.

The company has strong technical strength, complete and excellent equipment, and considerate after-sales service. It has passed ISO9001: 2015 quality management system certification, GJB9001C-2017 military product quality management system certification, national third-level confidentiality certification, ISO14001: 2015 environmental management system certification, OHSAS18001-2007 Occupational health and safety management system certification, ISO50001-2011 energy management system certification. The company has a laboratory that has passed the CNAS certification. It is a key high-tech enterprise in the National Torch Program and an AA-level credit-abiding and credit-oriented unit for industrial and commercial enterprises in Zhejiang Province.

The company covers an area of ​​90,712 square meters, has a factory area of ​​more than 60,000 square meters, has a registered capital of 120 million yuan, and has more than 400 sets of various production and testing equipment, producing national standards (GB), American standards (ANSI), and German standards (DINs) ), European Standard (EN), French Nuclear Power Standard (RCCM-2007), Japanese Standard (JIS), International Standard (ISO) Industry Standard (SH, HG, JB, GD, GJB) Specifications M12-M160, 1/2- 6" high-strength bolts, nuts, studs (wire rods) and non-standard special fasteners, German standard DIN2093, American standard 693F, 20813, Enterprise standard GQDH632-A disc spring, military large-scale flat snail roll spring series products. The company independently developed high-temperature pre-tightening disc spring bolt active compression and pre-tightening technology, high-strength nuclear industry series fasteners, low-temperature corrosion-resistant petrochemical series fasteners, high-strength corrosion-resistant marine machinery series fasteners and High-strength series of fasteners for aerospace machinery were obtained in 2010, "Production method of special fasteners", and in 2012, "Nuclear Power Bolt Production Technology", and in 2017, large military plane snail roll springs were applied for national invention Patent (accepted), a total of 30 utility model patents have been obtained so far.