Jinjiang Tagong Hardware Forging Manufacturer Co. LTD
Pioneering excellence at the forefront of the fastener industry, we have been proudly serving the industry since our inception in 1985,and, with over 39 years of expertise, we boast a remarkable legacy of innovation and reliability.
Demonstrating unparalleled expertise, we adhere to globally recognized standards (GB, DIN, ISO, UNI, JIS, GOST, ANSI, and ASTM ), offering bespoke customization that is meticulously crafted to meet your exact specifications, ensuring a perfect fit for your needs.

Discover the elegance of efficiency with our T-type Trailer Release Pin, a pinnacle of precision engineering from Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. This Personalized Trailer Release Pin exemplifies swift convenience, featuring a robust steel ball locking mechanism for unparalleled security. At its core, you'll find a meticulously designed T-shaped handle, complemented by a sturdy pin body, an integrated spring, and sophisticated ball assembly. Effortless operation is at your fingertips: simply press the handle button to smoothly retract the steel ball at the head of the pin body, allowing seamless passage through any workpiece hole. Once released, the steel ball confidently pops back into place, ensuring a self-locking mechanism that fortifies against any accidental dislodgement. Every aspect of the pin body—diameter and clamping length—is crafted with precision, boasting exceptional repeatability with a tolerance reaching a remarkable ±0.001mm. This makes it an ideal choice for scenarios demanding frequent disassembly and assembly with impeccable positioning accuracy. Experience the flawless fusion of functionality and innovative design with a product tailored to meet your specific needs.
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 expertly packaged to perfection. Each unit is meticulously secured within a robust 25kg carton, specifically crafted to cater to your distinctive requirements. You have the flexibility to select pallet sizes varying from 1.5 to 2.5 tons, ensuring optimal efficiency and safety during transit. This guarantees that your products are delivered in impeccable condition, ready for immediate use.
For those seeking more profound insights and comprehensive details regarding our Custom Size 4.8 Railway Fish Bolt Plate and Nut with Buyer Coating, our knowledgeable team is at your service. Please do not hesitate to contact us, as we are eager to assist you with any queries or information you require.
Note: We advise reaching out to us for a personalized re-quote before finalizing your purchase, as the fluctuating material prices may impact the overall cost. We are dedicated to offering transparent and current pricing, ensuring you receive the most accurate and competitively priced quote available.




WHOWE ARE
With an astounding legacy of 39 years in the industry,With an impressive 39 years of refined expertise, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. stands proudly at the forefront of crafting both standard and bespoke fasteners. Our unmatched prowess is showcased by an annual production capacity reaching a staggering 30,000 tons, complemented by sales that soar beyond an astounding 200 million. Our dedication to excellence and precision has solidified our position as industry leaders. Our sprawling facility, a testament to our commitment to innovation and quality, spans an expansive 60,000 square meters. It is equipped with 35 state-of-the-art hot-forging machines, alongside 300 advanced machining units, all operated by a dedicated team of 200 skilled professionals who bring our visions to life.
Over three decades of unyielding dedication and relentless innovation have allowed us to develop a sophisticated system of forging and precision machining. This evolution is underpinned by cutting-edge production and inspection equipment, CNC technology, and automated forging lines, which collectively set us apart and ensure our continued leadership in the industry.
Driven by an unwavering commitment to unparalleled quality, we have successfully emerged as a global supplier. Proudly holding ISO9001 certification and having passed rigorous SGS testing, our premium products are celebrated and cherished by a loyal clientele across Europe, North America, and South Asia, marking our global footprint.
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