Collar Nuts

Ningbo Haixin is the biggest collar nuts factory in China. With 30 years of fasteners production experience, our factory can produce various high quality collar nuts with different diameters, raw materials and surfaces. As our strong and advantage products, the collar nuts have been well affirmed by wind power giants and widely exported to Germany, Denmark, Norway, Spain, Great Britain, Poland, Australia, India, etc.​ And HX® has become a well-known trademark and brand in global fasteners fields. We hope to establish a friendly cooperative relationship with your company with our high quality collar nuts, reasonable prices, considerate service and create a better future together.

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