Custom Enclosures Tailored to Your Design & Application
From concept to production — we engineer custom enclosure solutions built to fit your exact requirements.
At Vililong, we manufacture high-quality custom metal enclosures and custom electrical enclosures designed for power distribution, automation equipment, electronic devices, machinery control, and industrial applications.
With fully in-house sheet metal fabrication—including laser cutting, CNC bending, welding, polishing, powder coating, and assembly—we deliver durable, precise, and fully customizable enclosure solutions for both prototyping and mass production.
Whether you need a simple metal box or a complex multi-section electrical cabinet, our team provides fast support, engineering optimization, and reliable OEM/ODM services.
Custom Electrical Enclosures for Industrial Applications
- We design and manufacture custom electrical enclosures for power distribution, automation, machinery control, and industrial equipment. Options include stainless steel, mild steel, galvanized steel, and indoor/outdoor powder coating. Cutouts, cable entries, mounting plates, hinges, locks, and bracket modifications are fully customized according to your drawings.
Custom Metal Enclosures Fabricated In-House
- With in-house laser cutting, CNC bending, welding, polishing, and powder coating, we offer complete custom metal enclosure fabrication. Our team produces prototypes, low-volume builds, and large batch production with precise dimensions and excellent durability.
Custom Electronic Enclosures for PCB, Control & IoT Devices
- We build custom electronic enclosures for PCB boards, control modules, sensors, IoT devices, and communication equipment. Materials include aluminum, steel, and plastic, with options for labeling, engraving, cutouts, and surface finishing.
0. Consultation (Optional)
Discuss project requirements, application conditions, and enclosure recommendations.
1. Submit Your Design
DWG, STEP, PDF, or even a sketch — we accept all formats and provide quick feasibility checks.
2. Technical Evaluation
Our engineers review structure, materials, cutouts, and protection level requirements, offering optimization if needed.
3. Prototyping & Sampling
Prototype or small-batch samples are produced to verify dimensions, fitment, strength, and surface finishing quality.
4. Mass Production
After approval, full-scale fabrication begins—laser cutting, bending, welding, assembly, and coating under strict QC.
5. Packing & Delivery
Finished enclosures are inspected, packaged with protective materials, and shipped globally by sea or air.
Comprehensive Customization Options for Your Metal & Electrical Enclosures
Size
Custom width, height, and depth tailored to your installation and component layout needs.
Color
Industrial-grade RAL powder coating for safety identification and corrosion resistance.
Material types & Thickness
Cold-rolled steel, stainless steel, galvanized steel, or aluminum with selectable thickness based on strength and protection requirements.
Door and hinge Types
Single-door, double-door, reinforced door designs, concealed or lift-off hinges.
Door Locks
Quarter-turn locks, key locks, padlockable handles, and compression latches.
View Windows
Polycarbonate or tempered-glass viewing windows for safe equipment monitoring.
Mounting Plate
Custom mounting plates for breakers, relays, contactors, and internal components.
UV Printing
Durable UV printing for labels, warnings, logos, or control panel markings.
Enclosure Rating
IP54 / IP55 / IP65 and NEMA protection levels based on sealing design and environment.
Accessories
Cooling fans, ventilation louvers, lighting, brackets, cable glands, document holders, etc.
Cutouts & Machining
Laser-cut openings for switches, displays, connectors; CNC machining for precision interfaces.
Surface Finishing Options
Powder coating, spraying, galvanizing, brushing, polishing, and anti-corrosion treatments.
Custom Electrical Enclosures Built to Your Specifications
Wenzhou Vililong Technology Co., Ltd.
Vililong specializes in custom electrical enclosures designed for power distribution, automation systems, energy storage, and industrial equipment.We support full customization based on your drawings (DWG/STEP), including cutouts, mounting plates, surface finishes, and special configurations.
With in-house laser cutting, CNC bending, welding, and powder coating, we ensure fast production, consistent quality, and reliable delivery for both small batches and large projects.Whether you need wall-mounted boxes, floor-standing cabinets, or stainless steel enclosures, we provide flexible and cost-effective solutions.
Manufacturing
Technical team
Manufacturing Capabilities
From Production to Delivery — Reliable Manufacturing Process You Can Trust
Why Global Buyers Choose Vililong
Vililong is a direct manufacturer of industrial electrical enclosures, specializing in custom and OEM solutions for global markets.With in-house sheet metal fabrication, strict quality control, and fast response capability, we help customers reduce costs, shorten lead times, and ensure reliable performance in real applications.
Direct Manufacturer
Fast Sampling & Stable Delivery
Strict QC System
Built for Industrial Applications
Latest Custom Enclosure Project Showcases

Custom Sus304 Floor Mount EV Charging Box

Custom Steel Floor Mount Electrical Enclosure

XL-21 Power Distribution Cabinet Switchboard

Compact Enclosure With Cable Gland

5-Fold Freestanding Cabinets for Export to UAE

Stainless Steel Electrical Enclosure for Export to Taiwan

PV/20kwh-Energy Storage/Inverter Cabinet
FAQs About Custom Enclosures
1. What information do you need to start a custom enclosure?
Drawings, sketches, dimensions, BOM, or a sample.
2. Can you fabricate enclosures based on a sample?
Yes — we can reverse engineer and build according to samples.
3. Do you offer prototypes?
Yes, prototypes can be made before batch production.
4. What materials can I choose?
Mild steel, galvanized steel, stainless steel, aluminum, or plastic.
5. Can you add cutouts, drilling, and labeling?
Yes, openings, engraving, UV printing, and cutouts are fully customizable.
6. What is your typical lead time?
Prototypes: 7 -10 days.
Mass production: 10–20 days, depending on complexity.
Sheet Metal Fabrication Process
Our in-house production line allows us to manage every step of the enclosure manufacturing process—ensuring stable quality and fast turnaround. Each project follows standard workflow guidelines to guarantee consistency from raw material cutting to final finishing.
Precision Laser Cutting for Industrial Enclosures
To ensure every enclosure meets strict dimensional tolerances and a professional finish, we use advanced laser cutting technology throughout the production process. This allows us to deliver:
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Smooth, burr-free edges
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Precise openings for cable entry and ventilation
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High consistency across batches
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Faster lead times for both custom and standard designs
Whether you’re sourcing stainless steel enclosures or powder-coated mild steel cabinets, laser cutting helps us deliver reliable, scalable solutions for industrial automation, power distribution, and energy systems.
CNC Bending for Accurate and Consistent Panel Forming
We use high-precision CNC bending machines to shape metal panels with tight bend angles and consistent dimensions. This ensures your enclosures are strong, structurally aligned, and visually professional.
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Accurate bend angles for tight-fitting doors and panels
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Uniform results across mass production
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Compatible with stainless steel, galvanized, and mild steel
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Optimized for both custom and standard designs
CNC bending allows us to produce durable and precisely formed components that meet the needs of modern electrical systems and industrial environments.
Professional Welding for Structural Strength and Durability
Welding is essential for creating strong, stable enclosure frames and joints. Our skilled technicians ensure every weld is clean, secure, and built to last — especially for freestanding cabinets and load-bearing structures.
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Strong joints for long-term durability
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TIG & MIG welding available for different materials
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Ideal for stainless steel and mild steel assemblies
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Supports both full-welded and modular enclosures
With precise welding craftsmanship, we guarantee enclosures that meet the rigorous demands of industrial and outdoor applications.
Surface Polishing for a Clean and Professional Finish
We perform mechanical polishing and surface treatment to enhance the appearance and corrosion resistance of our enclosures. This ensures a smooth, clean surface that’s ready for powder coating or stainless steel presentation.
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Deburring and smoothing sharp edges
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Improves coating adhesion and visual appeal
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Available for stainless steel and mild steel
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Ideal for indoor and outdoor enclosures
Our polishing process contributes to the durability, safety, and aesthetics of every finished product.
Punching for Fast and Accurate Hole Patterns
We use CNC turret punching to quickly create holes, slots, and custom cutouts for cable entry, ventilation, and mounting hardware. This method is highly efficient for repetitive patterns and high-volume production.
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Fast processing for standard cutouts
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Suitable for perforation, louver, and DIN rail holes
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High accuracy with low tooling cost
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Ideal for mild steel and galvanized sheet metal
Punching helps reduce fabrication time while maintaining the precision and functionality your enclosure design requires.
Dip-Coat Priming & Powder Coating for Superior Surface Protection
To ensure long-lasting corrosion resistance and a smooth surface finish, we apply dip-coat primer followed by electrostatic powder coating. This two-step process enhances both appearance and durability.
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Anti-rust priming for mild steel surfaces
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Smooth, uniform powder finish in RAL colors
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Excellent adhesion and weather resistance
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Suitable for indoor and outdoor applications
Our coating process ensures your enclosure looks professional and withstands harsh industrial environments.
UV Printing for Custom Labels and Branding
We offer UV flatbed printing on metal surfaces to provide permanent, high-resolution graphics, logos, labels, and markings — without the need for stickers or engraving.
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Durable, fade-resistant prints
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Ideal for serial numbers, logos, warning labels
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Works on stainless steel, coated steel, and aluminum
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Fast, clean, and solvent-free process
UV printing gives your enclosures a professional appearance and traceable identity, ideal for OEMs and branded projects.
PU Foam Sealing Strip for IP-Rated Protection
We apply in-situ PU foam sealing to enclosure doors and panels to enhance dust and water resistance. This one-component polyurethane foam is dispensed directly onto the metal surface and cures into a seamless gasket.
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Excellent sealing performance (IP54–IP66)
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Durable, flexible, and weather-resistant
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Applied by automated FIP(Foam-in-Place) technology
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Ideal for outdoor, marine, and dusty environments
PU sealing ensures your enclosures stay airtight, watertight, and compliant with global standards.
Contact Us for Custom Enclosure Solutions
Your Reliable Partner for Power Distribution and Automation Solutions
Tell us your enclosure or assembly needs — our team will respond within 24 hours.
What’s your company main products?
The main business is to provide customers with custom enclousure services, we also sell some General Boxes.
How about the price of the product?
We are a manufacturer, we mainly provide customized services for our customers, and we believe that our prices have enough advantages.
What does the enclosure customization service contain?
Box Sizes,Box Colors,Door Types,Gland Plates,Specific Cutouts,Moutning Plates,Protective Covers,Standing Types,Windows,Thickness,Accessories.
Can we get the sample? Is it free?
Yes, we could offer the general box sample for free charge,but need you pay the express. The freight depends on weight, packing size and your country or province region, etc.
What’s about MOQ?
First order MOQ=1pcs.
How can I get product catalogs?
You can get the catalogs by contacting us.
How to order our product?
1.Please tell us the model and quantity and other request you need.
2.We make the PI for you.
3.After you confirm the PI, we arrange the order for you after receiving your payment.
4.After the goods finished, we send the goods out to you and tell you the tracking number.
5.We will track your goods until you receive the goods.
How about the after-sale service?
If you meet any problems after sales, pis contact us freely, we’ll help solving the problems within 24 hours.
What’s the payment term?
100% T/T (large order, accept 30% T/T prepay 70% balance before shipping), Western Union, Paypal.































