Custom Metal Frames & Brackets | Precision Sheet Metal Mounting Brackets & Support Frames – Dongji
Guangdong Dongji Intelligent Device Co., Ltd. specializes in custom metal frames and brackets, precision mounting brackets, support frames, equipment bases, and structural sheet metal components. Using advanced laser cutting, CNC punching, bending, and welding, we deliver high-strength, accurate frames and brackets for industrial equipment, EV charging stations, smart devices, machine enclosures, and more — all tailored to your exact specifications.
Exported to the United States, Australia, Canada, Germany, Italy, Spain, the Netherlands, Brazil, and 50+ countries, our frames and brackets are ISO 9001, CE, TUV, and SGS certified for global reliability and compliance.

Key Features of Our Metal Frames & Brackets
- Material & Strength: Cold-rolled steel, stainless steel 304/316, galvanized steel, aluminum – high load capacity, corrosion resistance, suitable for indoor/outdoor use.
- Precision Fabrication: Laser cutting and CNC bending for tight tolerances (±0.1mm), consistent angles, and perfect fit.
- Design Flexibility: Custom shapes, hole patterns, mounting holes, welded reinforcements, adjustable angles, integrated cable routing.
- Surface Finishing: Powder coating, galvanizing, brushing, anodizing – durable, aesthetic, weather-resistant.
- Load & Stability: Engineered for heavy-duty applications, reinforced corners, anti-vibration design.
- Applications: EV charging station mounting frames, payment kiosk support brackets, smart device chassis frames, machine equipment bases, industrial rack supports, solar panel mounting brackets, consumer electronics internal frames.
Materials & Specifications Comparison
| Material | Thickness Range | Load Capacity | Best For | Corrosion Resistance |
|---|---|---|---|---|
| Cold-Rolled Steel | 1.5–6.0mm | High (heavy duty) | Industrial equipment bases & machine frames | Medium (with coating) |
| Stainless Steel 304/316 | 1.0–4.0mm | Medium-High | Outdoor / humid environments | High / Very High |
| Galvanized Steel | 1.2–5.0mm | High | Cost-effective outdoor brackets | Medium-High |
| Aluminum (optional) | 1.5–5.0mm | Medium | Lightweight mounting brackets | High (anodized) |
Manufacturing Process
- CAD Design Review & Optimization
- Laser Cutting & CNC Punching for precise holes & shapes
- CNC Bending for accurate angles
- Welding & Reinforcement (TIG/MIG)
- Surface Finishing (Powder Coating / Galvanizing / Anodizing)
- Assembly & Load Testing
- Quality Control & Packaging
Why Choose Dongji for Metal Frames & Brackets?
- ISO 9001 certified factory with 30,000㎡ production space and 160+ skilled staff
- Advanced equipment: fiber laser, CNC press brake, robotic welding
- Flexible MOQ: prototypes to high-volume production
- Fast lead times: 10-25 days for prototypes, 20-40 days mass
- Full MES traceability + proven export to 50+ countries
- Competitive pricing with high precision and on-time delivery
Ready to Start Your Custom Sheet Metal Project?
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