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RuiYu provides factory-direct trailer locks and towing security solutions for global distributors, trailer manufacturers, and aftermarket brands.
Our core strengths make us the trusted choice for trailer locks worldwide.
Tailored design for your exact specs
Enhance brand visibility
Strict QC & competitive pricing
Low MOQ, ready stock
Securing commercial fleets, cargo trailers, and RV towing equipment requires heavy-duty locking mechanisms built for harsh environments. As a direct trailer lock manufacturer, RuiYu supplies high-precision die-cast wholesale trailer locks and comprehensive locks for trailers to global distributors and OEM brands. Explore our complete collection of high-security locking solutions engineered for reliable outdoor towing protection.
The Trailer Coupler Latch Lock secures the coupler latch to help prevent unauthorized trailer hookup and theft. Its compact enclosed design protects the lock cylinder from dirt, moisture, and tampering, making it suitable for RV, utility, and cargo trailers. This trailer coupler lock is available for OEM and private label cooperation, with a patent-pending design.
Designed for 2″ and 2.5″ trailer hitch receivers, this Trailer Hitch Pin Lock provides a secure replacement for standard hitch pins. Featuring a corrosion-resistant finish and weatherproof lock cylinder, it delivers reliable protection for RVs, utility trailers, and towing equipment. This trailer hitch lock is available with custom packaging for OEM and private label projects.
The U-Style Ball Mount Lock is designed to secure 1-7/8″, 2″, and 2-5/16″ trailer couplers. Its high-visibility anti-theft design helps deter unauthorized access, while the die-cast aluminum body and reinforced steel U-bar provide durable protection. This trailer ball mount lock is available with custom colors, logo printing, and retail packaging for OEM and wholesale programs.
Built for RV and travel trailer security, this Heavy-Duty RV Coupler Lock fits 1-7/8″, 2″, and 2-5/16″ trailer couplers. Its durable, weather-resistant construction helps prevent trailer theft while allowing fast and secure locking. This heavy-duty trailer lock is available with custom colors, logo branding, and packaging solutions for distributors, OEM and private label customers.
The Zinc Alloy Round Trailer Coupler Lock is designed to secure 2″ trailer couplers with a fully enclosed anti-theft structure. Its internal hex screw design enhances tamper resistance, while the compact size makes it easy to carry and store. Ideal for RV, utility, and cargo trailers, this trailer coupler lock is available with customized packaging for OEM and wholesale programs.
Designed for trailer coupler latch security, this 1/4-Inch Trailer Tongue Lock features a 1/4″ locking pin that helps prevent unauthorized trailer hookup and theft. Its compact design fits a wide range of trailer couplers and provides a simple yet effective security solution for RV, utility, and cargo trailers. OEM packaging and private label customization are available.
Providing heavy-duty, corrosion-resistant security for all outdoor towing and fleet management applications.
Turn your blueprints or physical samples into reality. We specialize in precision mold design and custom zinc/aluminum alloy die-casting, offering tailored tooling development specifically for high-security trailer locks to meet your exact technical specifications.
Build your own brand presence. We fully support professional silk-screen logo printing directly on the lock bodies, along with customized packaging solutions, providing retail-ready hardware that elevates your local market value.
Eliminate middleman markups. Operating with a veteran quality control standard from premium material selection to final inspection, our factory-direct model delivers consistent durability and maximum security at transparent, competitive pricing.
We offer a range of trailer security locks for different towing applications, including trailer coupler locks, trailer tongue locks, hitch locks and heavy-duty trailer locking solutions. Our products are suitable for RV, utility, cargo and commercial trailers.
Yes. Our trailer locks are designed for a variety of towing applications, including RV trailers, utility trailers, cargo trailers, boat trailers and commercial trailers. Different locking designs are available depending on the coupler, hitch or trailer configuration.
Yes. RuiYu supplies trailer locks for distributors, trailer manufacturers, towing equipment companies and aftermarket brands. We support OEM and ODM projects, including custom product development, tooling, manufacturing, surface finishing and packaging.
Yes. We can develop customized trailer locks based on customer requirements, including lock body design, dimensions, mounting configuration, logo integration, surface finish and packaging. Our die casting and tooling experience allows us to support projects from initial design through production.
Our trailer locks are primarily manufactured using aluminum alloy or zinc alloy for the lock body, combined with steel pins, locking rods and other hardware components. The material combination is selected according to the lock design and application requirements, providing a balance of strength, durability, weight and corrosion resistance.
Yes. Custom tooling is available for OEM trailer lock projects. Our die casting experience allows us to support tooling design, mold manufacturing, die casting, CNC machining, surface treatment, assembly and final inspection as part of an integrated manufacturing process.
Yes. Samples can be provided for evaluation before mass production. For new OEM projects, we can work with customers through the tooling, sampling and production stages to confirm fit, function, finish and other product requirements before full-scale production.
Depending on the product design and application, available surface finishes include plating, powder coating, electrophoretic coating and other protective treatments. Plating is commonly used for steel pins, locking rods and other metal components, while powder coating or electrophoretic coating can be applied to die-cast aluminum or zinc alloy lock bodies. We can recommend suitable surface treatments based on appearance, corrosion resistance and outdoor operating conditions.