Expert Bolt Manufacturer in China

With over 18 years of experience, Turnin delivers high-quality, customized fasteners including Hex Bolts, Carriage Bolts, Plow Bolts, Fin Neck Bolts, and Special Non-Standard Bolts. Meeting international standards (IFI, ANSI, DIN, ISO, JIS, BS) and tailored to your exact needs.

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18+ Years

Industry Experience

500+

Global Clients

30+

Countries Served

About Turnin

Turnin is the bolt manufacturing plant under Linkage Group, established in 2006. With nearly two decades of production experience and technological accumulation, we have become a trusted professional fastener supplier in China.

We specialize in manufacturing high-quality bolts for both industrial and residential applications. Our product range includes Hex Bolts, Carriage Bolts, Plow Bolts, Fin Neck Bolts, and custom non-standard bolts made from carbon steel and stainless steel.

Certified Quality

ISO 9001 Certified with independent production and inspection capabilities to ensure top-notch quality in every batch.

Our Values & Vision

Corporate Values

Integrity, Innovation, Dedication, Sharing, Cooperation, and Win-Win

Business Philosophy

Create more value for customers through differentiated services; contribute responsibly to society.

Enterprise Spirit

Teamwork, Courage, Create Brilliant

Slogan

"I can, I do, I win!"

Mission

Grow together with customers and employees. Promote China’s high-end customized hardware components globally.

Vision

Become a world-renowned brand in the fasteners industry and a reliable Chinese supplier.

Our Main Products

Hex Bolt

Standard and custom sizes in carbon and stainless steel. Compliant with ANSI, DIN, ISO standards.

Carriage Bolt

Smooth domed head with square neck. Ideal for woodworking and structural applications.

Plow Bolt

Flat countersunk head with square neck. Designed for agricultural and heavy-duty use.

Fin Neck Bolt

Unique finned shank for anti-rotation. Used in mining, construction, and machinery.

Wheel Bolt

High-tensile strength bolts for automotive and industrial wheels. Precision engineered.

Stainless Steel Bolts

Corrosion-resistant fasteners ideal for marine, chemical, and outdoor environments.

Carbon Steel Bolts

High-strength, durable fasteners for structural and mechanical applications.

Special & Non-Standard Bolts

Fully customized designs based on customer drawings and specifications.

All products available in various grades, finishes, and packaging options. OEM and ODM services supported.

Why Choose Turnin?

Independent Production

As a factory-direct manufacturer, we control every step of production, ensuring consistent quality and faster turnaround times.

Competitive Pricing

Eliminate middlemen. We offer high-quality fasteners at factory prices with strict cost control and efficient logistics.

Custom R&D Capability

High success rate in developing non-standard and special bolts. Full support from design to mass production.

Stable Supply Chain

Located in China’s fastener industry hub with access to raw materials and ports. Ensures reliable delivery schedules.

Door-to-Door Service

We handle international shipping, customs, and logistics—saving you time, cost, and hassle.

Global Compliance

Products meet IFI, ANSI, DIN, ISO, JIS, BS, and other international standards. ISO 9001 certified.

Frequently Asked Questions

What materials do you offer?

We offer carbon steel and stainless steel bolts. Custom materials can be discussed based on project requirements.

Can you produce non-standard bolts?

Yes, we specialize in custom and non-standard bolts. Provide your drawings or samples, and we’ll develop a solution.

What certifications do you have?

We are ISO 9001 certified and follow international standards including ANSI, DIN, ISO, JIS, and BS.

Do you offer OEM/ODM services?

Yes, we provide full OEM and ODM support, including packaging, labeling, and custom branding.

How do you handle international shipping?

We offer door-to-door service, managing all logistics, customs clearance, and documentation to ensure smooth delivery.

Get in Touch

Ready to start your project? Contact Turnin today for a quote or technical consultation.

Visit Official Website

For inquiries, please visit the official site to connect directly with the Turnin team.

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