Wholesale Metal Enclosures – B2B & OEM Solutions
Our wholesale metal enclosures are designed for distributors, B2B clients, and OEM partners who require high-volume, customizable, and reliable enclosures. Unlike standard retail products, our wholesale solutions support large-scale orders, project-specific customizations, and industrial-grade fabrication for electronics, electrical panels, and automation systems. For a broader overview of China OEM metal enclosure factories, sheet metal fabrication processes, CNC enclosures, and OEM solutions, you can also read our China OEM Metal Enclosure Factory guide.

Materials and Fabrication
We offer a wide range of materials to suit different applications:
- Aluminum sheet metal enclosures – lightweight, corrosion-resistant, and suitable for indoor or outdoor applications; can be anodized, powder coated, or brushed.
- Stainless steel enclosures – strong, durable, corrosion-resistant, ideal for harsh environments.
- Carbon steel enclosures – cost-effective, powder coated for protection against rust and wear.
- Galvanized steel enclosures – provides basic corrosion protection, can be finished for outdoor or industrial use.
All enclosures are fabricated in China using advanced sheet metal fabrication, CNC bending, and precision stamping to ensure high-quality, consistent results.
Types of Wholesale Metal Enclosures
Our factory produces a wide variety of wholesale metal enclosures, including:
- Metal enclosure box wholesale – standard and customized box designs for electrical or electronic applications.
- Wholesale metal enclosures for electrical – control panels, power distribution boxes, and junction boxes.
- Wholesale metal enclosures for electronics – OEM housings for industrial electronics, telecom equipment, and battery systems.
- Wholesale custom metal boxes – fully customizable in size, cutouts, ventilation, and mounting options.
- Wholesale sheet metal enclosures – fabricated for industrial and commercial projects requiring durable sheet metal construction.
- Wholesale outdoor metal enclosures – IP-rated or weatherproof designs for outdoor installations.
We also produce OEM metal enclosures and wholesale custom sheet metal enclosures for clients who require private-label or project-based production.
Applications
Wholesale metal enclosures are widely used in:
- Industrial automation and control panels
- Telecom and networking cabinets
- Power distribution and battery enclosures
- OEM electronics housings
- Instrumentation and monitoring systems
- Street lighting control boxes and outdoor electrical installations
These enclosures provide structural strength, dust and water protection, and organized internal mounting for all types of electrical and electronic components.
Advantages of Choosing Our Wholesale Factory
- High-volume production: Our factory can handle orders from hundreds to tens of thousands of units.
- Customizable solutions: Fully support OEM/ODM, including custom dimensions, cutouts, perforations, DIN rails, and ventilation.
- Integrated production: Sheet metal fabrication, CNC machining, stamping, welding, assembly, and surface treatment all in one facility.
- Quality assurance: Rigorous inspections ensure consistent tolerances, IP compliance, and high-quality finishes.
- Project experience: Trusted by international clients in the USA, Germany, Australia, and other markets for project-based orders.
- Flexible MOQ: Supports both small pilot batches and large-scale wholesale orders.
Export and Logistics
We provide export-ready packaging and logistics support for international clients. Whether you need wholesale metal enclosure boxes for electrical, electronics, or outdoor applications, we ensure safe delivery and compliance with shipping standards.
How to Get a Quote
To receive an accurate quote for wholesale metal enclosures, please provide:
- 2D or 3D drawings or sample images
- Material type and thickness
- Quantity or batch size
- Overall dimensions and cutout requirements
- Surface treatment preferences (powder coating, anodizing, brushed, etc.)
- OEM or ODM requirements
- Hardware, hinges, or DIN rail requirements
- Packaging and shipping instructions
We can also work from sketches or photos if detailed drawings are not ready.
Quality Control
Key points for ensuring quality in wholesale production include:
- Dimensional accuracy and tolerance control
- Bend angles, panel fit, and door alignment
- Hole and cutout precision
- Surface finish quality and uniformity
- Threaded inserts, grounding points, and assembly fit
- Packaging protection for international shipping
- Batch-to-batch consistency


