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Contact Info

No. 26, Chuangxing Road, Xingguang Village, Huangjiang Town, Dongguan City, Guangdong Province, China
liameranne@gmail.com
Mod-friday, 09am -05pm
+86 13530826471

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Custom Power Distribution Cabinets & High Low Voltage Control Boxes

Custom Power Distribution Cabinets & High Low Voltage Control Boxes3

Custom Power Distribution Cabinets & High Low Voltage Control Boxes2

Custom Power Distribution Cabinets & High Low Voltage Control Boxes4

Custom Power Distribution Cabinets & High Low Voltage Control Boxes8

Custom Power Distribution Cabinets & High Low Voltage Control Boxes7

Custom Power Distribution Cabinets & High Low Voltage Control Boxes6

Custom Power Distribution Cabinets & High Low Voltage Control Boxes5

Power Distribution Cabinet, High/Low Voltage Control Box, Base Enclosure, Complete Distribution Panel, Grid-Tie Cabinet

Our custom power distribution cabinets and electrical control boxes are precision-engineered for industrial power systems, renewable energy grid connections, and automation equipment. As a professional sheet metal fabricator, we provide one-stop solutions for high/low voltage control boxes, base enclosures, complete distribution panels, and grid-tie cabinets. Built with thick industrial-grade steel plates and reinforced structural design, our cabinets offer excellent rigidity, impact resistance, and long-term durability. Surface treatments include anti-corrosion powder coating, with customizable IP ratings to meet dustproof and waterproof requirements for harsh industrial environments. We support full OEM/ODM customization, including custom sizes, hole layouts, internal mounting structures, and surface finishes. Our strict dimensional tolerance control ensures perfect assembly compatibility with electrical components, making our cabinets ideal for power distribution, factory workshops, renewable energy stations, and industrial automation applications.

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Electrical Distribution Cabinets & Control Boxes，Power DistributionOEM/ODM, Drawings/Sample Processing Available，Cold Rolled Steel, Galvanized Steel, Stainless SteelIP54/IP55/IP65 Customizable，Sheet Metal Stamping, Bending, Welding, Powder Coating，

1. Product Overview

Our power distribution cabinets and control boxes are high-standard sheet metal products designed for electrical power systems, industrial control, and renewable energy applications. Unlike ordinary electrical enclosures, our cabinets feature reinforced structural design, strict safety standards, and customized internal layouts to accommodate complex electrical components. We specialize in manufacturing complete control distribution panels, grid-tie cabinets, and base enclosures, providing reliable mechanical protection, electromagnetic shielding, and environmental isolation for core power equipment.

2. Key Advantages

✅ High Structural Rigidity & Durability

Thickened industrial-grade steel plates and reinforced frame design ensure strong load-bearing capacity and deformation resistance, suitable for long-term stable operation in harsh industrial environments.

✅ Customizable IP Protection Levels

IP54/IP55/IP65 ratings available, with anti-corrosion powder coating treatment to resist dust, moisture, and chemical corrosion, extending service life in outdoor and high-humidity scenarios.

✅ Precision Manufacturing & Perfect Assembly

Adopt laser cutting, CNC bending, and precision welding processes, with strict tolerance control to ensure accurate hole positions and consistent assembly gaps, perfectly matching electrical components and wiring systems.

✅ Full OEM/ODM Customization Support

Custom sizes, special-shaped structures, internal mounting brackets, hole layouts, surface colors, and logo engraving are available. Our engineering team can optimize designs based on customer drawings to improve heat dissipation and structural stability.

3. Manufacturing Process

Laser Cutting: Burr-free cutting and precise hole positioning for complex outlines and mounting holes
CNC Bending: Accurate angle control to ensure uniform cabinet structure and assembly fit
Welding & Polishing: Seamless welding and grinding to enhance structural strength and tightness
Surface Treatment: Degreasing, phosphating, and electrostatic powder coating for durable anti-corrosion protection
Assembly & Testing: Full inspection of dimensions, protection level, and structural integrity before delivery

4. Applications

Power distribution systems and low/high voltage power control
Industrial automation equipment and control panels
Renewable energy grid-tie cabinets and energy storage systems
Factory workshops, outdoor power stations, and industrial facilities
Complete electrical distribution panels and base enclosures

Latest Product

Check out our Product

Multi-Size Dustproof Outdoor Electrical Enclosure, Surface-Mounted Distribution Box, Electrostatic Powder Coated Jiyi Box for Malls & Factories

SanJun Hardware manufactures multi-size electrostatic powder coated wall-mounted electrical enclosures for outdoor, factory and commercial mall use. Many buyers struggle with no ready drawings, high outsourced design fees and ill-fitting standard boxes that fail dustproof performance. Our veteran sheet metal engineers solve all troubles: we provide 100% free customized structural drawings, full DFM manufacturability analysis & unlimited design revisions based on your mounting size, wiring layout and IP protection demands. No drawing preparation required on your side. We independently finish sketches, dimension drawings, structural inspection and final production drawings, cutting your R&D cycle, design costs and trial risks. All boxes adopt full sealing dustproof structure, uniform electrostatic powder coating with strong rust resistance, available in dozens of standard sizes plus full custom customization.

Precision Server Chassis, Multi-Function Metal Boxes & Control Cabinets OEM Sheet Metal Fabrication for Intelligent Equipment Housings

SanJun Hardware is a professional one-stop sheet metal OEM manufacturer specializing in precision server housings, multi-function electrical boxes, industrial control cabinets and smart device enclosures. Many clients struggle with lacking engineering drawings, high outsourced design fees and unoptimized structures causing production delays & high costs. Our veteran sheet metal engineering team solves all these troubles: we provide 100% free customized structural drawings, full DFM manufacturability analysis and multi-round design revisions purely based on your mounting size, assembly functions, application scenarios and performance demands. No drawing preparation required on your side. We cover the full workflow from concept sketch, dimension drawing, structural verification to final production drawing, cutting your R&D cycle, design outsourcing expense and trial-and-error risks significantly. We own complete laser cutting, CNC bending, robotic welding & surface treatment equipment, deliver tight tolerance precision fabrication, support prototype & mass production with flexible MOQ, serving data center, industrial automation, intelligent control and communication equipment industries globally.

Precision Sheet Metal Cabinet Chassis Panel（1）

High Precision Sheet Metal Processing, Cabinet & Chassis Panel Accessories, Punching & Bending Parts, Custom Precision Structural Components for Intelligent Equipment

SanJun Hardware is a professional high-precision sheet metal OEM manufacturer specialized in custom cabinet panels, chassis panels, equipment panel accessories and precision structural components for intelligent devices. We have overcome multiple common industry defects including thin-plate bending springback, flatness distortion, punching hole position deviation, welding deformation and inconsistent assembly tolerance. Our biggest exclusive advantage: We provide FREE professional drawing design according to your actual demands. Customers do not need to design or provide drawings by themselves. Our in-house engineering team completes structural design, DFM optimization and production drawing output fully on your behalf. With full-process independent production of laser cutting, precision punching, CNC bending and seamless welding, we guarantee ultra-high precision and stable batch consistency, helping global intelligent equipment and electrical manufacturers save R&D cost and shorten project cycle.

Precision Structural Parts for Intelligent Equipment

Custom Sheet Metal Parts Fabrication, Communication Chassis Enclosure Machining, Precision Structural Sheet Metal Components for Intelligent Equipment

We are a full-process precision sheet metal manufacturer focusing on customized sheet metal components, communication cabinet housings and high-precision structural parts for intelligent automation equipment. We have overcome common industry bottlenecks: thin-plate bending springback deformation, cumulative assembly tolerance mismatch for multi-structure parts, welding thermal warpage, poor shielding consistency of communication chassis, unstable dimensional repeatability in mass production and coating adhesion defects. Equipped with in-house laser cutting, CNC precision bending, precision welding and standardized post-treatment workshops, we control tight dimensional tolerance and assembly matching accuracy strictly. We provide one-stop OEM & ODM customization services for communication manufacturers, intelligent equipment enterprises and automation system suppliers worldwide, delivering stable mass production, optimized structural cost and controllable delivery lead time.

Check out our blog posts

10/ July

BESS Enclosure Safety Trends: Secure Your Battery in 2026

Discover how San Jun Hardware's precision sheet metal fabrication boosts BESS Enclosure safety with UL 9540A compliance and advanced thermal management.

Top BESS Enclosure Trends Shaping Battery Storage Safety and Thermal Management

9/ July

1U Chassis Design: Balance Slim Profile with Max Cooling

Solve 1U rack-mounted chassis thermal dilemmas with custom sheet metal fabrication from San Jun Hardware. Optimize airflow & rigidity for high-density servers.

Balance Ultra-Slim Profiles with Maximum Thermal Efficiency of 1U Rack-Mounted Chassis Design

3/ July

Ultra-Slim POS Housings: The 2026 Space-Saving Design Trend

Discover how San Jun Hardware designs ultra-slim, space-saving POS terminal housings with ±0.05mm precision to conquer 2026 micro-retail structural challenges.

Ultra-thin POS terminal casings represent a space-saving design trend for 2026

2/ July

Custom 4U GPU Chassis: Precision Engineering & Reinforcement

Need a robust 4U GPU chassis? San Jun Hardware offers precision sheet metal fabrication with structural reinforcement for heavy-duty AI and data storage needs.

Precision Engineering & Reinforcement of Custom 4U GPU Chassis

26/ June

Top 5 BESS Enclosure Trends Shaping Battery Storage in 2026

Discover the top 2026 BESS enclosure design trends. San Jun Hardware provides custom, high-precision IP66 & thermal-managed energy storage cabinets.

Top 5 Trends Shaping Battery Energy Storage System (BESS) Enclosure Design in 2026

25/ June

Advanced Hidden Seam Grinding for Premium Hardware Enclosures

Discover San Jun Hardware’s advanced hidden seam welding and precision grinding. Elevate your premium kiosk enclosures with flawless, durable finishes.