Custom Stainless Steel Electrical Enclosure | Wall-Mounted Control Box & Junction Box – Dongji
Guangdong Dongji Intelligent Device Co., Ltd. specializes in custom stainless steel electrical enclosures, wall-mounted control boxes, junction boxes, and distribution cabinets. Made from premium 304/316 stainless steel, our enclosures offer superior corrosion resistance, IP65 weatherproof protection, and precision fabrication — ideal for industrial automation, electrical control, outdoor equipment, and harsh environments.
Exported to the United States, Australia, Canada, Germany, Italy, Spain, the Netherlands, Brazil, and 50+ countries, all products are ISO 9001, CE, TUV, and SGS certified for global compliance.

Custom stainless steel wall-mounted electrical enclosure control box junction box with key lock – Dongji sheet metal fabrication
Key Features of Our Stainless Steel Electrical Enclosure
- Material & Finish: Food-grade 304/316 stainless steel, brushed or mirror polish finish for fingerprint resistance and long-term durability in humid/corrosive conditions.
- Protection Rating: IP65 dust-tight and water-resistant (rubber gasket sealing), optional IP66 upgrade, suitable for indoor/outdoor and semi-exposed installations.
- Structure Design: Single door with secure key lock, hinged opening, internal mounting plate for DIN rails/terminal blocks, ventilation louvers (optional), cable glands, grounding points.
- Installation: Wall-mounted with pre-drilled rear holes, optional pole mount or floor stand accessories.
- Customization: Exact dimensions, precise cutouts for meters/switches/displays/connectors, powder coating (if needed), silk-screen branding, EMI shielding, anti-vandal reinforcements.
- Applications: Electrical control panels, junction boxes, automation cabinets, power distribution enclosures, outdoor telecom/security equipment, pump station control boxes, EV charging control housings.
Materials & Specifications Comparison
| Material | Thickness Range | Finish Options | Best For | Corrosion Resistance |
|---|---|---|---|---|
| Stainless Steel 304 | 0.8–3.0mm | Brushed / Mirror Polish | Indoor / Humid / General Industrial | High |
| Stainless Steel 316 | 0.8–3.0mm | Mirror Polish | Coastal / Chemical / Marine | Very High |
| Galvanized Steel (optional) | 1.0–4.0mm | Powder Coating | Cost-sensitive Outdoor | Medium-High |
Manufacturing Process
- CAD Design Review & Optimization
- Laser Cutting & CNC Punching for precise cutouts
- CNC Bending & Forming
- TIG/MIG Welding for seamless joints
- Surface Finishing (Brushing/Polishing/Powder Coating)
- Assembly, QC & Testing (IP rating check, lock function)
- Secure Packaging & Global Shipping
Why Choose Dongji for Your Electrical Enclosure?
- ISO 9001 certified factory with 30,000㎡ production space
- 160+ skilled staff, advanced fiber laser, CNC press brake, robotic welding
- Flexible MOQ: prototypes to high-volume orders
- Fast lead time: 15-30 days standard, 25-45 days custom
- Full MES traceability + proven export to 50+ countries
Ready to Customize Your Control Box or Junction Box?
Ready to Start Your Custom Sheet Metal Project?
Get Quote Now – Fill the form below

