<p>SanJun Hardware is a professional sheet metal factory specialized in custom three-door metering distribution cabinets for global power engineering, property management and energy enterprises.<br />
Most overseas purchasers face big troubles: no ready-made cabinet drawings, high design costs, water leakage & dust ingress outdoors, cabinet bending deformation, messy internal wiring layout and inconsistent assembly gaps. We fully solve all these industry pain points with our core service: totally free engineering drawing design, customers don’t need to provide any self-drawn sketches.</p>
<p>We own full production lines for laser cutting, CNC bending, full sealing welding, rainproof structural processing and weather-resistant coating, with machining tolerance controlled within ±0.1mm. Our 3-door meter cabinets reach IP54/IP65 waterproof dustproof standard, pass ISO9001 & RoHS certification, widely used in all kinds of indoor and outdoor power metering scenarios worldwide.</p>
<p>SanJun Hardware manufactures precision custom sheet metal photovoltaic AC distribution cabinet enclosures for global solar industry clients.</p>
<p>We eliminate common customization headaches including expensive outsourced design work and structural defects, providing <strong>free CAD drawing design with no client drafts needed</strong>.</p>
<p>Supported by full automatic sheet metal processing, our cabinets achieve tight machining tolerances and comply with ISO9001, RoHS, IP54/IP65 for indoor & outdoor photovoltaic applications.</p>
<p>SanJun Hardware is a seasoned precision sheet metal manufacturer specializing in customized outdoor power distribution cabinets. We adopt carbon steel as primary raw material to fabricate robust electrical cabinets featured with IP-rated waterproof, dustproof and anti-static performance for harsh outdoor environments.<br />
Our biggest competitive advantage: we provide free customized CAD drawing design based on your actual demands, no finished drafts required from buyers. Our in-house one-stop production solves classic industry defects including cabinet deformation, uneven spraying, poor assembly tolerance and failed sealing performance. Widely applied in power grid, energy storage, charging station and outdoor automation projects, we support OEM customization for all sizes and protection grades.</p>
<p>SanJun Hardware is a professional sheet metal manufacturer producing large power distribution cabinets and new energy equipment enclosures. We provide free full drawing design service per your demands, no drawings required from clients.<br />
We solve common industry troubles including cabinet deformation, uneven coating, poor assembly precision and weak anti-corrosion performance. Adopting precision sheet metal fabrication, we customize sturdy, high-tolerance metal cabinets with uniform paint finish for power plants, substations and new energy storage projects. Multiple materials & surface treatments are available, supporting small trial orders and mass production.</p>
<p>SanJun Hardware manufactures multi-size electrostatic powder coated wall-mounted electrical enclosures for outdoor, factory and commercial mall use.<br />
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.<br />
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.</p>
<p>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.<br />
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.<br />
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.</p>
Protect BESS & 5G equipment in extreme climates with SanJun Hardware’s custom thermal management sheet metal enclosures. Get a free DFM quote in 24 hours!
