SanJun Hardware Dustproof Outdoor Distribution Box, Free Custom Drawing Design – San Jun Hardware

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Dustproof Outdoor Distribution Box
Dustproof Outdoor Distribution Box (2)
Dustproof Outdoor Distribution Box (3)
Dustproof Outdoor Distribution Box (4)
Dustproof Outdoor Distribution Box (5)
Dustproof Outdoor Distribution Box
Dustproof Outdoor Distribution Box (2)
Dustproof Outdoor Distribution Box (3)
Dustproof Outdoor Distribution Box (4)
Dustproof Outdoor Distribution Box (5)

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.

1. Brand Strength

SanJun Hardware is a professional one-stop sheet metal OEM factory focusing on outdoor dustproof distribution enclosures, wall-mounted Jiyi boxes and industrial electrical protection cabinets. We have accumulated abundant mass production experience serving factories, shopping malls, construction sites and outdoor automation projects. Equipped with full laser cutting, CNC bending, robotic welding and automatic electrostatic spraying production lines, plus strict multi-stage QC inspection, we deliver stable, long-lasting dustproof metal enclosures with consistent coating quality.

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2. Core Competitive Advantages (Solve Your Pain Points)

✅ Free Custom Drawing Design, No Drawings Needed From You

Only share your installation dimensions, internal wiring layout, application environment and protection requirements. Our professional engineering team completes all design work from concept sketch, detailed dimension drawing, structural rationality check to formal production drawing at zero cost. Multiple rounds of drawing optimization & revision are supported until fully matching your wiring and assembly demands. Eliminate expensive external design outsourcing and extra R&D workload for your team.

Dustproof Outdoor Distribution Box (7)

✅ Professional DFM Manufacturability Optimization

We conduct full DFM review at the design stage, optimize unreasonable box structures that cause poor sealing, dust leakage, difficult wiring or high material cost. Avoid post-sampling rework, lower your overall production cost and reduce field failure risks caused by bad enclosure design.

✅ Premium Dustproof & Anti-Rust Electrostatic Powder Coating

Full cold-rolled steel welded body with integrated foam sealing strip to reach IP54/IP65 dustproof grade, effectively blocking dust intrusion in factory and outdoor environments. Uniform electrostatic powder spraying process forms a thick anti-corrosion coating, resisting rust, scratch and UV aging for long-term outdoor service life.

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✅ Abundant Standard Sizes + Full Customization

Dozens of ready standard sizes for quick sampling & delivery; fully customizable dimension, door lock, mounting plate, cable knockouts, surface color and IP protection grade to fit industrial workshop, shopping mall power distribution, outdoor monitoring wiring and automation control scenarios.

✅ Flexible MOQ & Fast Lead Time

Support 1-piece prototype and bulk mass orders. 24H DFM review & quotation, sampling within 7 working days, mass production finished in 10–15 days based on quantity.

3. Wide Application Scenarios

Surface-mounted power distribution boxes for factory workshops, mall electrical control cabinets, outdoor dustproof wiring enclosures, monitoring equipment protection boxes, industrial terminal junction boxes, automation equipment metal housings and other wall-mounted electrical protection cabinets.

4. Quality & Delivery Assurance

4-level IQC/PQC/FQC/OQC inspection with dimension and sealing test reports before shipment. Shockproof foam packaging prevents coating scratch and deformation during long-distance sea transport. Accept EXW, FOB, CIF trade terms with stable on-time delivery schedule.
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