Engineered for Maximum Security

Premium trailer hitch locks, steering wheel locks, clutch locks, and security solutions manufactured since 1985. Trusted by customers worldwide for durability, reliability, and innovative design.

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Trailer Hitch Locks

Secure your trailer with high-strength die-cast locks designed to resist tampering and corrosion.

Clutch & Steering Locks

Protect your vehicle from theft with robust locking mechanisms for clutch and steering systems.

Global Trust

Serving customers in over 50 countries with certified, durable, and weather-resistant security products.

About TrailerLockFactory

Established in 1985, Ningbo Hengda Die-Casting Lock Factory is a leading provider of trailer hitch locks, steering wheel locks, clutch locks, door locks, and hinges for electric cabinets, office appliances, and file cabinets.

Our YOUHENG brand products are widely used in distribution rooms for power stations and factories, controlling switchboards, outdoor high and low voltage electric cabinets with dust and water resistance, drawer locks, and interlock systems.

1985

Founded with a vision for industrial-grade security

50+

Countries served globally

Learn more about our manufacturing process →

Our Premium Products

Engineered for durability, security, and ease of use across industries.

Trailer Hitch Lock

High-security lock with durable die-cast construction. Prevents unauthorized trailer towing.

In Stock

Trailer Hitch Lock Set

Complete locking solution with enhanced mechanism for maximum safety during transport.

Available

1/4” Trailer Hitch Pin Lock

Compact design with brass-plated finish. Secures hitch pins effectively.

Brass Finish

Round Trailer Hitch Lock

4-digit password with 10,000 combinations. Resettable and weather-resistant.

Combination

2 Pins Trailer Hitch Pin Lock

Double safety spring clips for enhanced locking performance.

Dual Lock

Clutch Key Lock

Prevents unauthorized vehicle startup. Ideal for fleet and rental management.

Keyed

Steering Wheel Combination Lock

No keys needed. Secure your vehicle with a customizable code.

No Key

Digit Bicycle Lock

Lightweight, portable, and secure. Ideal for urban commuters and delivery services.

Portable

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Why Choose TrailerLockFactory?

We combine decades of engineering expertise with global standards to deliver unmatched security.

Industrial Grade Build

Die-cast construction ensures long-term durability in extreme weather and heavy-duty environments.

Weather & Corrosion Resistant

Sealed mechanisms and protective plating prevent rust and ensure smooth operation.

Global Compliance

Meets international standards including REACH environmental impact certification.

Anti-Theft Design

Precision-engineered to resist picking, drilling, and forced entry.

Easy Installation

Designed for quick setup without special tools or modifications.

Dedicated Support

Our team provides technical guidance and bulk order assistance worldwide.

Frequently Asked Questions

Are your locks weatherproof?

Yes, all our locks are designed with sealed mechanisms and corrosion-resistant materials to withstand rain, snow, dust, and extreme temperatures.

Do you offer bulk or OEM orders?

Yes, we specialize in bulk manufacturing and OEM/ODM services. Contact us for custom branding, packaging, and volume pricing.

What certifications do your products have?

Our products comply with REACH environmental standards and are manufactured under strict quality control systems for industrial use.

How can I place an order?

Visit trailerlockfactory.com to browse products and submit an inquiry. Our team responds within 24 hours.

Get in Touch

For inquiries, bulk orders, or technical support, reach out through our official website.

Phone

+86-574-83010872

Email

rose@trailerlock.cn

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