Looking for a reliable hex flange bolt manufacturer in China?
I get it. As someone who’s been in the fastener business for over 15 years (yes, that long!), I know it can be overwhelming to filter through endless suppliers. If you’re like Mark from Canada, you’re probably searching for that perfect mix of stable quality, competitive price, and strong communication.
In this blog, I’ve gathered 10 reliable hex flange bolt suppliers—each with real production strength and export capability. These aren’t just names pulled off a list. I’ve reviewed their product focus, export history, and technical strengths to help you make an informed decision.
1. Shanghai Hengrui Industry Co., Ltd
Company Overview: Shanghai Hengrui specializes in high-quality fasteners, including hex flange bolts, screws, nuts, and OEM machining parts. Our fasteners are widely used in automotive, wind energy, and oil & gas sectors.
Established: 2021
Location: Shanghai
Main Products: Hex flange bolts, Screw, nuts, washers, and custom fasteners, machined parts, stamping parts


Despite being a young company, we have 15+ years of industry know-how. We’re trusted by global clients for our product consistency and ability to customize based on international drawings or standards.
2. Yijin Hardware Co., Ltd
Company Overview: Yijin is known for its precision fasteners and high-performance hex flange bolts. With strong CNC capabilities, their bolts are widely used in automotive and industrial fields.
Established: 2003
Location: Shenzhen, Guangdong
Main Products: Flange bolts, nuts, fasteners
They maintain a global client base with strong technical support and strict QC.

3. Shanghai Jianxin Hardware Co., Ltd
Company Overview: Jianxin is a leader in designing and producing nuclear-grade hex flange bolts and other fasteners. They operate using Taiwanese and Japanese machines for tight tolerances.
Established: 2001
Location: Shanghai
Main Products: Flange bolts, nuts, washers
With over 200 clients globally and products exported to 55 countries, they’re one of the most respected in the field.

4. Jiaxing Qimu Trading Co., Ltd
Company Overview: Qimu runs a 25,000T annual operation with 50+ CNC machines. Their flange bolt production is high-volume and high-precision.
Established: ~2013
Location: Jiaxing, Zhejiang
Main Products: Hex flange bolts, nuts, custom fasteners
They’re well-suited for OEM bulk orders and offer reliable ISO-level QC.

5. Shanghai Jingyang Fastener Co., Ltd
Company Overview: Jingyang has 100+ employees and a strong technical background. Their hex flange bolts are produced under tight tolerances and exported globally.
Established: 2001
Location: Shanghai
Main Products: Hex flange bolts, nuts, general fasteners
Trusted for both quality and professionalism.

6. Ningbo OuKaiLuo Hardware Co., Ltd
Company Overview: OuKaiLuo has a team of 150+ and a strong focus on R&D. Their hex flange bolts are used in machinery and construction sectors.
Established: 1999
Location: Ningbo, Zhejiang
Main Products: Hex flange bolts, nuts, fasteners
Known for innovation and stable exports.

7. Dongguan Roche Industrial Co., Ltd
Company Overview: Roche produces over 1 million fasteners per month. Their hex flange bolts pass stringent inspections with a 99.8% success rate.
Established: 2006
Location: Dongguan, Guangdong
Main Products: Hex flange bolts, custom fasteners
Their ISO9001 and monthly capacity make them a top-tier option.

8. Tianjin Xinruifeng Technology Co., Ltd
Company Overview: Xinruifeng runs 3 factories and owns 280 machines. Their hex flange bolts are CE-certified and export-ready.
Established: 2008
Location: Tianjin
Main Products: Flange bolts, screws, fasteners
A perfect partner for large-scale international orders.

9. Hangzhou Lizhan Hardware Co., Ltd
Company Overview: Lizhan focuses on industrial fasteners including hex flange bolts, exported to the US, EU, and Asia.
Established: 2007
Location: Hangzhou, Zhejiang
Main Products: Hex flange bolts, nuts, screws
Known for excellent customer service and long-term supply partnerships.

10. Ningbo Teng Qi Fasteners Co., Ltd
Company Overview: Teng Qi specializes in R&D for hex flange bolts with stable production and exports.
Established: 2003
Location: Ningbo, Zhejiang
Main Products: Hex flange bolts, nuts, specialty fasteners
A solid choice for clients needing strong post-sales support.

Summary Table: Hex Flange Bolt Suppliers in China
Company Name | Location | Founded | Main Products |
---|---|---|---|
Shanghai Hengrui Industry Co., Ltd. | Shanghai | 2021 | Hex flange bolts, Screw, nuts, |
Yijin Hardware Co., Ltd | Shenzhen, Guangdong | 2003 | Flange bolts, nuts, fasteners |
Shanghai Jianxin Hardware Co., Ltd | Shanghai | 2001 | Hex flange bolts, nuts, washers |
Jiaxing Qimu Trading Co., Ltd | Jiaxing, Zhejiang | ~2013 | Hex flange bolts, nuts |
Shanghai Jingyang Fastener Co., Ltd | Shanghai | 2001 | Hex flange bolts, fasteners |
Ningbo OuKaiLuo Hardware Co., Ltd | Ningbo, Zhejiang | 1999 | Hex flange bolts, nuts |
Dongguan Roche Industrial Co., Ltd | Dongguan, Guangdong | 2006 | Hex flange bolts, custom fasteners |
Tianjin Xinruifeng Technology Co., Ltd | Tianjin | 2008 | Flange bolts, screws |
Hangzhou Lizhan Hardware Co., Ltd | Hangzhou, Zhejiang | 2007 | Flange bolts, nuts, screws |
Ningbo Teng Qi Fasteners Co., Ltd | Ningbo, Zhejiang | 2003 | Flange bolts, nuts |
Frequently Asked Questions (FAQ)
Q1: What is a hex flange bolt used for?
A: Hex flange bolts are used where a wide bearing surface and high strength are needed—automotive frames, heavy machines, or structural steel.
Q2: How can I be sure of quality?
A: Always check for ISO certification, and ask for test reports and sample runs.
Q3: Can I customize size, material, or plating?
A: Yes! Most listed factories offer full OEM services with plating like Zinc, Black oxide, Dacromet, or Magni.
Q4: Can I request a trial order?
A: Absolutely. Most suppliers offer small MOQ or trial production for first-time clients.
Conclusion
There are hundreds of bolt suppliers in China, but only a few deliver consistently on quality, communication, and delivery.
Whether you’re sourcing for industrial use or looking to expand your product line, these 10+ manufacturers offer a solid foundation.
If you’re not sure which one fits your need, feel free to reach out to me. I’m Monica from Shanghai Hengrui, and I’m here to make your sourcing simpler.
Contact Hengrui Fastener for Custom hex flange bolt
For specialized applications that require custom solutions, Hengrui Fastener offers high-quality, customizable hex flange bolt and fasteners. Whether you need a specific size, material, or finish, Hengrui can provide tailored fasteners to meet your exact requirements. Contact Hengrui Fastener to learn more about our products and services.