48-Inch Large Square Steel Truck Toolbox | OEM Trailer Storage Box

Jiashan Chenchuang manufactures OEM steel and aluminum storage boxes for trailers, trucks, service vehicles, and fleet applications.

This 48-inch square steel toolbox is designed for larger trailer, truck, and fleet storage applications that require a lockable, customizable, and export-ready storage solution.

Why Buyers Choose This Large Square Toolbox

• Square box structure: practical layout for trailer, truck, utility vehicle and equipment storage.
• OEM size flexibility: dimensions, lock, hinge, color, logo and packaging can be adjusted for your market.
• Steel construction options: 1.2 mm standard and 1.5 mm reinforced options available for different applications.
• Powder-coated surface: designed for outdoor vehicle and trailer storage environments.
• Batch consistency control: laser cutting, CNC bending, welding and powder coating are managed in-house for repeat orders.

Quick Specifications

OEM Customization Options

We support project-based customization according to your application, installation position, target market and private-label requirements.

• Custom square box size and structure
• Steel or aluminum material selection
• 1.2 mm standard or 1.5 mm reinforced steel construction
• Lock, hinge, sealing and mounting configuration
• Powder coating color and surface finish
• Logo, label and export packaging customization

Manufacturing & Quality Control

Our in-house sheet-metal production helps control product consistency from component fabrication to final packing.

• Laser cutting for accurate metal components
• CNC bending for consistent forming
• Welding and assembly for structural fit
• Powder coating for outdoor surface protection
• Dimension, welding, coating and packing checks before shipment

Final inspection is conducted based on batch sampling and key quality checkpoints.

This helps reduce sourcing risk for buyers who need repeatable OEM supply instead of one-time sample production.

Suitable Buyer Types

• Trailer parts distributors
• Truck accessory brands
• Fleet equipment suppliers
• Private-label storage box buyers

RFQ Checklist

For faster quotation, please send your required size, material thickness, order quantity, lock requirement, surface color, logo requirement, packaging method and destination port.

Send your drawing, sample photo or target application. We will review the structure and provide an OEM quotation based on your requirements.