Customized Bolts
Hot forging
Special head
Large size
Product Category / Services
Business Description
In 1982, the company specialized in the production and manufacturing of red-bearing (hot forging) fasteners, special fastening components, and conventional fasteners. We mainly produce and sell products that meet the standards of GB, ANSI, ASME, ASTM, DIN, UNI, JIS, ISO, CNS, JB, QC, SH, DL, and others, including bolts, nuts, screws, non-standard fasteners, and more. Customers are welcome to provide drawings and samples for custom fastener production.
Our products are primarily used in industries such as petrochemical, fluid pumps and valves, boiler pipelines, pressure vessels, turbines, car engines, ship engines, fuel engines, thermal power generation equipment, nuclear power equipment, marine vessels, railway locomotives, chemical machinery, medical equipment, food machinery, metallurgical refining equipment, instrumentation, chemical engineering, petroleum and marine engineering, large bridge tunnels, large-scale steel structures, curtain wall decoration, solar power generation equipment, and more. Our fasteners meet the required standards and non-standard specifications for these industries. The products manufactured by our factory have passed ISO 9001:2008 quality management system certification.
Performance Levels: 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc.
Surface Treatments: Black, white zinc, blue and white zinc, color zinc, phosphating, black dyeing, brass, black zinc, nickel plating, chrome plating, Dacromet, mechanical galvanizing, hot-dip galvanizing, Telomon, and more.
Specifications and Sizes: 6mm-120mm; length is not limited.
The factory is committed to the development of new fastening technologies, systematic high-quality products, and efficient professional services. We aim to provide a new experience and efficient benefits to our customers and are determined to become a trusted partner in the fastener industry. We understand that our customers seek partners who can provide complete fastener solutions. We start with our core beliefs and solve complex and tedious fastening challenges for our clients.
Ningbo Yinzhou Hengxi Yonglian Fastener Factory can provide completely customized products, including materials, sizes, and other requirements based on customer needs. We are dedicated to finding products that meet your specifications and providing solutions for your special requirements. If you have unique needs related to materials, technology, or specifications, and you are unsure about the details, we are here to offer solutions that are efficient, safe, and cost-effective.