Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.
Pioneering excellence and innovation at the very forefront of the fastener industry, we have been proudly serving and transforming the industry since our inception in 1985,boasting an illustrious legacy that spans over 39 years of unmatched expertise and dedication.
We demonstrate unparalleled expertise in strictly adhering to globally recognized standards (GB, DIN, ISO, UNI, JIS, GOST, ANSI, and ASTM ), and we offer bespoke customization solutions meticulously crafted to meet and exceed your exact specifications.

Introducing the Customizable T-Type Quick Release Pin for Trailer Release Needs, a marvel of engineering by Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. This exceptional quick-release pin is meticulously designed with a state-of-the-art steel ball locking mechanism. At its core, this advanced pin features a robust T-shaped handle, a precisely crafted pin body, an efficient built-in spring, and a superior ball assembly. The brilliance lies in its operation: simply press the ergonomic handle button to retract the head's steel ball, allowing seamless passage through any workpiece hole. Upon releasing the button, the steel ball promptly returns to position, achieving a secure self-locking effect that ensures the pin body remains steadfastly in place. Crafted with precision, the pin body boasts a diameter and clamping length engineered for outstanding repeatability, achieving tolerances as tight as ±0.001mm. This makes it the perfect choice for applications demanding frequent disassembly and reassembly with unmatched positioning accuracy, catering to every trailer release need with finesse and reliability.
Materials and surfaces 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 Details: Our Custom Size 4.8 Railway Fish Bolt Plate and Nut with Buyer Coating is meticulously packaged for your satisfaction. Each unit is carefully secured within a 25kg carton, meticulously crafted to cater to your distinct requirements. Opt for pallet sizes from 1.5 to 2.5 tons, ensuring supreme efficiency and safety during transit, and guaranteeing your products' arrival in flawless condition.
For comprehensive insights and in-depth information about our Custom Size 4.8 Railway Fish Bolt Plate and Nut with Buyer Coating, do not hesitate to get in touch with our well-informed team. We are dedicated to assisting you with any questions or clarifications you require.
Note: Please reach out for a personalized re-quote before placing an order, as fluctuating material prices may influence the total cost. We are dedicated to offering transparent and current pricing for your peace of mind.




WHOWE ARE
With an impressive 39With an impressive 39 years of unrivaled expertise, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. proudly stands at the pinnacle of manufacturing excellence, specializing in both standard and customizable fasteners. Boasting a remarkable annual output of 30,000 tons and generating sales that exceed a phenomenal 200 million, our dedication to supreme quality and precision craftsmanship has cemented our status as industry frontrunners. Our vast facility, a true reflection of our unwavering commitment to quality and innovation, stretches over a sprawling 60,000 square meters. It is a hub of modern technology, featuring 35 state-of-the-art hot-forging machines and 300 cutting-edge machining units, all expertly operated by our talented team of 200 professionals who breathe life into our creations.
Over three decades of relentless dedication and innovative spirit have empowered us to establish a sophisticated system of forging and precision machining. This remarkable evolution is supported by state-of-the-art production and inspection equipment, CNC technology, and automated forging lines, which distinguish us within the industry and ensure our ongoing leadership.
Guided by an unwavering commitment to delivering unmatched quality, we have risen to become a global supplier. With ISO9001 certification and the rigor of SGS testing under our belt, our exceptional products are celebrated and trusted by a discerning clientele spanning Europe, North America, and South Asia, showcasing our international presence.
Development
Progress Evolution
Production Facility
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