
Jinjiang Tagong Hardware Forging Manufacturer Co. LTD
Since 1985, we have proudly specialized in producing exceptionally crafted fasteners that stand the test of time. 1985, Celebrating an impressive legacy spanning more than 39 years.
We adhere to an array of standards (GB / DIN / ISO / UNI / JIS / GOST / ANSI / ASTM ); Additionally, we offer unique non-standard options meticulously crafted to meet the precise specifications outlined in your detailed drawings.

The wind power industry stands as a cornerstone in the renewable energy sector, where wind power nuts play a crucial role as essential connecting elements within wind power generation systems. These wind power bolts must seamlessly integrate with nuts, ensuring that the reliability of installation and the precise measurement of preload are paramount to guarantee the safe and stable operation of wind turbines. Material selection is key: Carbon steel bolts, which are the most commonly used, are ideal for connections under general load and temperature conditions. These bolts are classified into grades 8, 10, and 12, each offering unique capabilities and strengths.
1. High strength: Wind power high-strength nuts are indispensable for securing connections between wind turbines and their towering structures. Operating at lofty heights and enduring harsh wind conditions, these nuts demand exceptional strength. High-strength nuts are engineered to withstand substantial tensile and shear forces, thereby ensuring the continued safe operation of wind turbines. Moreover, high-strength bolts can minimize the number of connection points, streamline the construction process, and significantly boost work efficiency.
2. High precision: The precision in manufacturing nuts is of utmost importance to ensure that all components are securely fastened post-installation, thereby mitigating safety risks associated with looseness or misalignment. Precision-crafted nuts ensure optimal connection integrity.
3. Anti-fatigue: Given the relentless wind conditions and the substantial weight of wind turbines and towers, these structures are susceptible to fatigue-induced fractures. High-strength nuts undergo advanced heat treatment processes and leverage defect-free process technology to enhance the fatigue resistance of these connectors, safeguarding the long-term reliable operation of wind turbines.
4. Corrosion resistance: Wind turbines and towers frequently operate in harsh marine environments, where they encounter severe corrosion and oxidation challenges. Conventional connectors are prone to corrosion and oxidation from seawater. However, high-strength bolts crafted from superior high-strength steel and treated with specialized anti-corrosion coatings are designed to effectively resist the corrosive and oxidative effects of seawater, thereby extending the lifespan and durability of these critical connectors.
Material and surface treatment options can be customized as follows:
Mechnical Property |
Material |
Surface Treatment |
Class 4 / 6 / 8/ 10 /12 |
C45
40Cr
35CrMo
42CrMo
304
316
35K...... |
♦Yellow Zinc
♦Zinc Plated
♦Black Oxide
♦Phosphate
♦Dacromet
♦Geomet |
Packaging Method: Our Titanium Bolt with Washer, designed for wind power constructions and unparalleled durability, is securely packed in robust 25kg cartons. Each pallet offers a substantial weight range from 1.5 to 2.5 tons, ensuring optimal delivery efficiency. Furthermore, packaging can be tailored meticulously to meet the unique specifications of our discerning buyers.
For further detailed information and any inquiries, please feel free to connect with us at any time.
P.S.: To ensure precise pricing, we highly recommend reaching out to our team for an accurate re-quote before order placement, as material costs may fluctuate.




WHOWE ARE
With over a decade of unparalleled experience, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. stands as a distinguished and seasoned leader in the realm of fasteners manufacturing, both standard and custom-made. Our expertise is showcased through our impressive production capacity, covering a wide array of nuts, ranging from standard to bespoke, with an outstanding annual output of 30,000 tons and sales exceeding a remarkable 200 million.9 years of unrivaled expertise, Tagong emerges as a seasoned authority in the domain of standard and bespoke fasteners manufacturing. We excel in producing a vast spectrum of both standard and non-standard nuts, boasting an impressive annual output of 30,000 tons and generating sales that surpass 200 million.
Our expansive facility spans over a remarkable 60,000 square meters, is equipped with 35 cutting-edge hot-forging machines, and features 300 advanced machining devices. We take pride in our dedicated team of approximately 200 professionals, all committed to excellence in every project we undertake.
Through more than three decades of relentless dedication and perseverance, we have meticulously crafted an advanced forging and high-precision machining production system. This encompasses multiple sets of cutting-edge production and inspection equipment, including CNC, mesh belt furnace production lines, and fully automated forging equipment.
Our unwavering commitment to excellence has propelled us to become a renowned global supplier. We have achieved ISO9001 quality management system certification and successfully passed rigorous SGS testing. Our top-tier products are celebrated by discerning customers both domestically and across Europe, North America, and South Asia.
Development History
Production Workshop
1. Q: What about MOQ?
A: It depends on the size of the products.
2. Q: What are your advantageous products?
A: All kinds of standard and customized fasteners.
3. Q: How many staff are in your company?
A: About 200 staff in our factory.
4,Q: What about your annual production capacity?
A :About 30000 tons per year.
5,Q :Do you have an ISO 9001 certificate?
A: Yes, we do.
6, Q: Can you provide the CBAM report?
A: Yes, of course