About Us



HAIYAN YIHUI HARDWARE TECHNOLOGY CO., LTD. was one professional manufacturer of Hex Cap Screws, Carriage Bolt, Hex Flange Screws, Square Bolt, and others non-standard bolt. Established in 2005, one member of Zhejiang Fastener Industry Association .located in No.10 Jincheng 2nd road. Qinshan industry park of Haiyan county, Jiaxing city, Zhejiang province, China .314300. About an hour trip from Shanghai Ningbo and Hangzhou city, adjacent to the two major port of Zhapu and Shanghai. Export cargo container transport is very convenient.

YIHUI has already been verified through ISO9001:2016 International Quality Management System and CE certificate. Under only high-quality products can win customers’ praise philosophy, always put the good quality in the first point. The bolt application mainly was for machinery, construction, petroleum and industry and so on. Exported to America, Australia, Brazil, Canada, Russia markets, etc.

  • ● Standard capabilities: AS. ASME/ANS I. DIN. ISO. JIS
  • ● Diameter capabilities: M6 - M27 ( 1/4” - 1” )
  • ● Length capabilities: 10mm - 300mm ( 3/8”- 12”)
  • ● Grade capabilities: 4.8. 6.8. 8.8. 10.9 / 2. 5 . 8 . others
  • ● Finish capabilities :
  • o Plain with light oil
  • o Blackening
  • o Blue white zinc plating
  • o Zinc yellow plating
  • o Hot dip zinc galvanized
  • o Phosphorization
  • o Dacromet

Noted: Bolt with hot dip zinc galvanized without reduced thread. Just compensation on Over Size nut.

  • ● Value-added services available :
  • o Fine or coarse thread
  • o Special thread length
  • o Small box package
  • o Assemblies
  • o Urgent delivery needs
  • o Non-standard parts withdrawing

Bolt inspection can be through China National Centre for Quality Supervision and Test standard parts according to customers’ requirements. And can issue an official test report for all foreign customers.

HAIYAN YIHUI HARDWARE TECHNOLOGY CO., LTD. based on people-oriented, pioneering and innovative business philosophy, to provide high-quality products and excellent sales service for overseas customers, in order to obtain the customer and our win-win; We would be your BOLT HOME for future.

Vision: To be the most famous bolt R&D manufacturer all over the world.

Mission: Real high quality with cheap price. In order to achieve customer satisfaction 100 %.

Value : Customer-oriented, Continuous improvement, Pursuit innovation.