- +86 15988614731
- fangbo@133@gmail.com; brianfang@ry-casting.com
Factory-direct, high-quality die-casting solutions. We help distributors and fleet owners streamline procurement with consistent, reliable manufacturing
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
Explore our most popular trailer security solutions for RVs, cargo trailers, utility trailers, and towing applications.
✅ Fits 2″ & 2.5″ Receivers
✅ Corrosion Resistant Finish
✅ Weatherproof Lock Cylinder
✅ High-Visibility Anti-Theft Design
✅ Die-Cast Alum & Steel U-Bar
✅ Weather & Corrosion Resistant
✅ Prevents Trailer Theft
✅ Fast & Secure Locking
✅ Weather-Resistant Construction
✅Full-Enclosed Theft Protection
✅ Secure Internal Hex Screw
✅ Compact & Portable Design
✅ Anti-Theft Hidden Shackle
✅ Heavy-Duty 73mm Puck Lock
✅ Weatherproof Anti-Drill Core
✅ Proprietary Patented Innovation
✅ Full OEM/ODM Custom Tooling
✅ Integrated Dust-Cap Protection
Providing heavy-duty, corrosion-resistant security for all outdoor towing and fleet management applications.
Heavy-duty anti-theft security designed for regional RV fleets and long-term outdoor holiday camping.
Maximum corrosion-resistant locking solutions tailored for coastal docks and harsh marine salt spray environments.
Rugged security hardware for
high-value tools and commercial
equipment on demanding job sites.
Reliable, pick-resistant protection for logistics transport, fleet management, and high-security enclosed vans.
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 manufacture a variety of sizes. Our coupler locks fit standard 1-7/8″, 2″, and 2-5/16″ couplers, while our hitch pins fit standard Class I through Class V receivers.
Absolutely. We offer complete private label services, including custom laser-marking, mold-engraved logos, and custom color box packaging.
As a factory-direct manufacturer, we offer flexible MOQs depending on the customization level. We support small initial trial batches for market verification.
Sample prototyping takes 7–15 days. For mass production, our standard factory lead time is 30–45 days, ensuring stable delivery to worldwide sea and air ports.
Yes. Our locks utilize high-grade zinc/aluminum alloys and undergo specialized surface treatments (powder coating/electrophoresis) designed to pass strict salt spray resistance tests for prolonged outdoor exposure.