China Thread Inserts Manufacturers, Rivets Suppliers, Rivet Nuts Factory - Changzhou Unilee Fastening Technology Co., Ltd.

Our Product Advantages

Changzhou Liyi Fastening Technology Co., Ltd. focuses on three core product series: lightweight fastening product series, precision machining product series, and imported brand bearing series.

We can provide customers with lightweight fasteners, various precision machined parts, as well as the supply of high-quality imported brand bearings and supporting technical services, to meet the multi-scenario and high-precision supporting demands of component parts in the high-end equipment manufacturing industry.

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Certificate support
Changzhou Unilee Fastening Technology Co., Ltd. holds the IATF 16949:2016 Quality Management System Certificate issued by URS.
Strict management
Our whole production process complies with strict international automotive quality standards, fully qualified to supply automotive and new energy vehicle manufacturers worldwide.
Applied to multiple industries
Products are widely used in new energy vehicles, wind power, photovoltaic, energy storage, military industry, aerospace, traditional machinery and other industries.
Quality Service
Complete follow-up service, rapid response to your requirements, and worry-free cooperation.

We offer Multi-scenario solutions

Open End Blind Rivets

Open End Blind Rivets are widely used single-side fastening components consisting of a rivet body and mandrel. During installation, a special riveting tool pulls the mandrel to create a permanent mechanical connection without requiring access to the back side of the workpiece.

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Flat Head Rivet Nuts

Flat Head Rivet Nuts are threaded fastening components designed for thin sheet materials and hollow structures. Through riveting installation, they create reliable internal threads in the workpiece, providing a stable threaded connection for subsequent bolt assembly.

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Hex Clinch Nuts

Hex Clinch Nuts are special riveting fasteners that achieve secure fixation through expansion deformation during installation. Featuring a hexagonal outer structure, these components provide enhanced resistance against rotation after installation.

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Flanged Hex Head Bolt

Flanged hex head bolt is a fastening component developed by adding a flange structure to a traditional hex bolt design. The flange surface increases the contact area with the connected parts, helping distribute load more evenly and reducing dependence on additional washers in some applications.

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Metric Flange Nuts

Metric flange nuts are fastening components designed by adding a flange structure to traditional hex nuts. The bottom flange increases the contact area with connected parts, helping distribute force more evenly and improving connection stability.

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One-on-one consultation by professional advisors.

Product Recommended

GLOBAL PROJECT CASES

We can provide customers with lightweight fasteners, various precision machined parts, as well as the supply of high-quality imported brand bearings and supporting technical services.

Through Hole Self Clinching Fasteners

Through Hole Self Clinching Fasteners are connection components fixed onto sheet materials through pressing force. Featuring a through-hole structure, they can be combined with other fasteners or connecting components to achieve reliable assembly.

Bulb Type Blind Rivets

Small Head Rivet Nuts

Small Head Rivet Nuts are embedded fastening components designed for thin sheet structures. Through riveting installation, they create reliable internal threads in metal or non-metal panels, providing threaded connection solutions for applications where backside access is unavailable.

About Us

Pioneer and leader of high-end fasteners

Changzhou Liyi Fastening Technology Co., Ltd. was founded in 2022 and is located in Changzhou, Jiangsu Province. It is a high-tech enterprise focusing on the field of lightweight fastening technology.
The company specializes in the R&D, production and sales of various high-end fasteners and supporting products. Backed by a professional technical team and a number of independent patents, it mainly serves high-end equipment manufacturing sectors such as new energy vehicles and wind power.

01
Lightweight fastening product series
02
Precision machining product series
03
Imported brand bearing series.

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News Center

Rivet Nuts in Air Conditioning Applications

Jun 20, 2026

They resolve the issue of insecure connections with flanged tapping screws (or self-tapping screws), improving connection reliability, effectively reducing noise caused by loose connections, making...
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Rivet Nut Specifications

Jun 19, 2026

The national standard specifies rivet nuts in sizes M3, M4, M5, M6, M8, M10, and M12. However, M6 and M8 are recommended. Smaller threads allow for direct tapping into the substrate, while larger t...
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Uses Of Rivet Nuts

Jun 18, 2026

If a product's nut needs to be installed on the outside, but the internal space is too small for the press head of a riveting machine to enter for press riveting, and methods like riveting by pulli...
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What Is A Rivet Nut?

Jun 17, 2026

Rivet nuts, also known as pull nuts or rivet caps, are used in the fastening of various metal sheets and pipes in the manufacturing industry. They are widely used in the assembly of electromechanic...
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The Development History Of Rivets

Jun 16, 2026

The earliest rivets were small wooden or bone studs, and the earliest known metal deformations may be the ancestors of the rivets we know today. Undoubtedly, they are the oldest known method of met...
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