Who We Are Ningbo Da Zhi Machinery is a professional manufacturer and exporter of high-strength fasteners for the global wind energy industry. Located in Ningbo, China, we have over 15 years of production experience and serve customers across Europe, the Middle East, and Southeast Asia.
Who We Are
Ningbo Da Zhi Machinery is a professional manufacturer and exporter of high-strength fasteners for the global wind energy industry. Located in Ningbo, China, we have over 15 years of production experience and serve customers across Europe, the Middle East, and Southeast Asia.
What We Do
We specialize in customized bolts, nuts, washers, anchor cage components, and blade inserts for onshore and offshore wind turbine applications. Our factory is equipped with complete in-house processes including cold heading, heat treatment, thread rolling, and surface coating.
Our Strengths
Certified supplier for Siemens Gamesa
Familiar with Vestas, Nordex, and SGRE global technical standards
In-house Geomet and hot-dip galvanizing partners
100% full traceability & 3.1 certificate for each batch
Support for small batch prototyping and urgent delivery
Vision
We are committed to delivering reliable fastening solutions that support the clean energy transition worldwide.