Products

China Truck and Van Upfits Supplier

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Saddle Truck Toolbox

Saddle Truck Toolbox

Whole Chain Tech is a professional manufacturer of truck modification accessories, and our Saddle Truck Toolbox is a purpose-built storage solution designed for pickup trucks.Mounted over the rear axle between the cab and bed.It offers one-touch access and reliable resistance to theft, dust, and moisture.
Gullwing Toolbox

Gullwing Toolbox

As a professional manufacturer with years of experience in truck modification accessories, Whole Chain Tech proudly presents our high-quality Aluminum Gullwing Toolbox.With advanced manufacturing processes including laser cutting, welding and powder coating, we offer customizable options in size, color and logo to meet diverse OEM/ODM needs, delivering reliable storage solutions for both professional and daily use.
Foldable Flat Ramp For Van

Foldable Flat Ramp For Van

Whole Chain Tech is a professional manufacturer specializing in truck modification accessories, and our Foldable Flat Ramp For Van is custom designed for truck light equipment, tool and small cargo loading & unloading.
Specialty Vehicle Climbing Ladder

Specialty Vehicle Climbing Ladder

As a manufacturer with over a decade of experience in truck body R&D and production, Whole Chain Tech introduces its durable Specialty Vehicle Climbing Ladder. Designed for safe and convenient roof access, it features an adjustable telescoping design, robust aluminum construction, and easy mounting. Ideal for logistics, utility, and delivery vehicles
Pull-out Truck Access Ladder

Pull-out Truck Access Ladder

With 10 years of R&D experience in van body manufacturing, Whole Chain Tech Auto presents the high-performance Pull-out Truck Access Ladder from premium durable aluminum alloy, it features anti-slip steps and a precise sliding rail system. This fully concealable ladder combines a robust, customizable design with pre-installed mounting hardware for quick installation and effortless pull-out use.
Pickup Cargo Racks

Pickup Cargo Racks

Whole Chain Tech, with a decade of self - developed modification expertise, stands as a reliable factory in the field. Our Pickup Cargo Racks is designed to significantly expand your carrying capacity, providing a secure platform for various items.

What Material are in our upfits?

We use premium heavy-duty materials across our entire upfitting series, including high-strength aluminum, reinforced steel, impact-resistant acrylic, and other industrial-grade composites. All parts are rust-proof and corrosion-resistant—specifically engineered to stand up to road salt, a common challenge for North American vehicles. They are also UV-resistant to prevent fading and degradation from long-term outdoor exposure, ensuring years of reliable heavy-duty use even in harsh conditions.

Is Installation Easy?

Absolutely. Our Truck and van upfits parts feature a bolt-on design that requires no special tools for installation. Detailed, easy-to-follow instructions are included with every product, allowing you to complete the setup quickly and efficiently. Most parts can be installed by a single person, and our design ensures no damage to your vehicle’s original structure—keeping your truck in perfect condition while adding functionality.

How Safe Are They?

1. Superior Overall Stability: Every component—from Pickup Cargo Racks and truckunder liftgates,From small parts to finished products—is engineered for exceptional stability. They are rigorously tested to ensure no shaking, loosening, or tipping, even at high speeds, when bearing heavy loads, or during frequent use, eliminating safety hazards during work or transport.

2. Anti-Slip Protection for Climbing & Loading: All climbing and loading-related parts are equipped with anti-slip safeguards. Our ladder and ramp series feature anti-slip textures or rubber mats on steps to prevent slipping,ensuring secure footing for users and stable movement for cargo, even in rainy or oily conditions.

3. Durable Anti-Break & Anti-Loose Construction: All components are built with heavy-duty, high-strength materials to resist breakage, deformation, and loosening. This includes structural parts designed with reinforced joints, sturdy fasteners, and robust frames to ensure long-term safety and reliability in heavy-duty work scenarios.

4. Lockable or anti-theft options: Many products integrated high-security locks, tamper-resistant hinges, and reinforced locking mechanisms, which keep your valuable tools, sensitive cargo, and custom upgrades secure whether your vehicle is parked at job sites, loading docks, or public parking areas.

How Practical Are They?

Our upfitting solutions are designed to boost your vehicle’s practicality in every way. They provide additional storage space for tools, equipment, and supplies, while also making loading and unloading faster and easier. With smart organization features, you can keep your gear neat and accessible, saving time on the job. Our upfittings maximize your vehicle’s cargo capacity, and are suitable for multi-scenario use—whether you’re working on a construction site, camping, making deliveries, or managing a farm.

Complete Series Availability

We offer a full, comprehensive Truck and van upfits series to meet all your needs, so you can get everything you need in one place: Toolboxes, Ramps & Ladders, Cargo Management Systems, Refrigerated Body Parts, Lighting & Safety Parts, and Custom Body & Trailer Parts. No need to source from multiple suppliers—we have all the upgrades you need to optimize your truck.

Compatible for Combined Use

Truck and Van Upfits

All our Truck and van upfits parts are designed to work seamlessly together, allowing you to create a customized setup that fits your workflow. Pair a toolbox with ramps and ladders for a perfect work-ready configuration, or combine a trailer with a custom body to transform it into a camper or mobile work unit. This compatibility not only enhances functionality but also lets you maximize the value of your investment.

Why Choose Us?

We provide professional Truck and van upfits solutions—built for work, built for North America. Our focus on quality, compatibility, and customer support ensures that you get durable, functional upgrades that enhance your vehicle and fit your lifestyle, backed by the reliability you can trust.


To better serve our North American customers and deliver timely, convenient after-sales support, we have established an office in the United States. This local presence allows us to respond quickly to your inquiries, provide efficient technical assistance, facilitate fast replacement parts delivery, and offer on-site support when needed. Whether you have questions about installation, need replacement parts, or require technical guidance, our U.S.-based team is readily available to support you every step of the way.

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