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Precision Fasteners for Global Industry

Shanghai Yihai Industrial Co., Ltd. is a trusted manufacturer of retaining rings, dowel pins, circlips, spring pins, and precision alignment components. ISO & DIN compliant, engineered for reliability and performance.

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About Yihai International

Founded in 2011, Shanghai Yihai Industrial Co., Ltd. specializes in the manufacturing of high-precision fasteners including dowel pins, slotted pins, and retaining rings. With over 1,000 employees and a 5,000㎡ production facility in Shanghai, we deliver reliable, ISO and DIN-compliant components to industries worldwide.

Our expertise spans automotive, machinery, electronics, and industrial equipment sectors. We produce to international standards such as DIN6325, DIN7979, ISO8734, ISO2338, DIN1481, ISO8752, ISO13337, DIN471, DIN472, and DIN6799.

2011
Founded
1,000+
Employees
5,000㎡
Factory Area
50+
Countries Served
Yihai Factory

Our Product Range

Precision-engineered fasteners and industrial components meeting international standards. Trusted by OEMs and global suppliers.

Dowel Pin DIN6325

DIN6325 Stainless Steel 304 Dowel Pin

Hardened, corrosion-resistant cylindrical pin for precision alignment. Compliant with DIN6325 and ISO8734A.

DIN6325 Stainless Steel 304 Parallel Pin
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Retaining Ring

Retaining Ring / Snap Ring / Circlip

High-strength E-rings and circlips for shaft and housing retention. DIN471, DIN472, DIN6799 compliant.

Snap Ring Circlip E-Ring
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Spring Pin

Spring Pin / Slotted Pin

Elastic roll pins for secure fastening. Available in carbon steel and stainless steel. ISO8752, DIN1481 compliant.

ISO8752 DIN1481 Elastic Pin
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Taper Pin

Taper Pin with Internal Thread

Precision taper pins with internal thread for alignment and fastening. DIN1B, DIN7978A compliant.

Taper Pin DIN7978A Threaded
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Vented Pull Pin

Vented Pull Pin / Thread Pin

Durable pull pins with vented design for quick release. DIN7979, ISO8735A, DIN7977 compliant.

DIN7979 ISO8735A Quick Release
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Hollow Pin

Hollow Pin / Tubular Pin

Lightweight yet strong hollow pins for weight-sensitive applications. Precision-machined for consistent performance.

Hollow Pin Tubular Lightweight
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Nut Clip

Nut Clips / Retaining Clips

Secure clips for fastening nuts in place. Ideal for automotive and assembly line applications.

Nut Clip Retaining Automotive
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Forming Part

Custom Forming & Stamping Parts

Tailored metal forming and stamping solutions for unique industrial requirements. Rapid prototyping and bulk production.

Custom Stamping OEM
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Why Choose Yihai?

We combine precision engineering, global compliance, and responsive service to deliver fastening solutions you can trust.

Safety Assurance

Comprehensive risk assessments and strict protocol adherence ensure every component meets the highest safety standards.

Professional Team

A highly skilled and cohesive group excelling in collaboration and achieving goals with precision and efficiency.

Special Customization

Tailored solutions meeting unique needs, offering personalized experiences and exceptional quality for OEMs.

Rapid After-Sales

Swift after-sales support ensuring customer satisfaction with efficient issue resolution and technical assistance.

15+
Years in Industry
50+
Countries Served
10M+
Components Shipped
99.8%
Quality Pass Rate

Latest News

Stay updated with our industry insights and exhibition appearances.

2024-11-19

Booth 4175, Hall 7 – Fastener Fair Stuttgart 2025

Visit us at the premier fastener exhibition in Europe. Discover innovation in precision components.

2024-11-19

Dowel Pins, DIN 6325, ISO 8734A

Precision components for secure mechanical assembly. Learn about alignment best practices.

2024-11-19

Snap Rings & Circlips

The unsung heroes of mechanical systems. Essential for shaft and housing retention.

2024-11-19

Pins & Hollow Pins Guide

Comprehensive overview of industrial pin applications in machinery and manufacturing.

Frequently Asked Questions

What standards do your products comply with?

Our products meet international standards including DIN6325, DIN7979, ISO8734, ISO2338, DIN1481, ISO8752, ISO13337, DIN471, DIN472, and DIN6799.

Can you provide custom manufacturing?

Yes, we offer tailored solutions for unique requirements, including custom dimensions, materials, and packaging.

What materials do you use?

We use carbon steel, stainless steel (including SS304), alloy steel, and other materials based on application needs.

Do you offer samples?

Yes, we provide samples for evaluation. Contact us with your requirements.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to contact our team.

Visit Official Website

Contact Information

Company Address

Rm202, Bld25, Zhongchunrd8633,
Shanghai Minhang, China

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