Company Information

Ningbo Zhonghai Fastener manufacture co.,ltd established in 2004 year ,is one of leading fastener factory in Ningbo city, China.

With many years of development, Zhonghai fastener developed to a Professional fastener manufacture with factory area covering 6500 square meters ,our annual capacity reach to 50,000 tons, and $5 million US dollars exports per year. we passed the authentication of ISO9000 and CE certificate.

The fastener we mainly involved is : DIN,ISO ,ANSI/ASTM/SAE/IFI, AS,BS,UNI and JIS standard superior high steel structure hex bolt,nuts, screws as well as non-standard fasteners. Specially manufacture high tensile hex bolt,B7 double head bolt,hex nuts,rods in large scale. the property within 4.8/5.6/6.8/8.8/10.9/12.9. Size range M20-M48. They are widely used in Metallurgy, petrochemical, machinery, electronics, construction steel, ships, bridges, aviation.etc .