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<p>SanJun Hardware is a professional non-standard precision sheet metal processing factory based in Rugao, specializing in customized metal housings for blade battery packs and new energy energy storage chassis for global new energy enterprises.<br />
Most overseas buyers face huge troubles when customizing non-standard battery cabinets: lacking structural design drawings, high independent design costs, poor cabinet structural strength, insufficient outdoor waterproof and anti-corrosion performance, and inconsistent assembly gaps. We completely solve these industry pain points with our exclusive service: completely free production-ready CAD drawing design, customers do not need to provide any self-drawn drafts.<br />
Our full-process sheet metal workshop realizes integrated production from laser cutting, CNC bending, full penetration welding to weather-resistant surface coating, with machining tolerance controlled within ±0.05mm~±0.1mm. All non-standard blade battery boxes and energy storage chassis comply with ISO9001, RoHS and IP protection standards, widely applied to household energy storage, industrial & commercial energy storage, new energy vehicles, RV power supply, off-grid solar energy storage and other global scenarios.</p>
<p>SanJun Hardware is a specialized precision sheet metal manufacturer for new energy, dedicated to custom off-grid integrated battery cabinet enclosures for global energy storage integrators and power equipment brands.<br />
Most overseas buyers struggle with unavailable structural drawings and exorbitant industrial design costs for cabinet customization—we break this industry bottleneck by offering 100% free full-grade 2D & 3D drawing design, no design drafts required from clients.<br />
Our professional engineering team thoroughly resolves core industrial pain points: heavy-load cabinet sagging deformation, substandard outdoor waterproof & dustproof performance, uneven assembly gaps, and weak anti-corrosion capacity. We deliver standard machining tolerance of ±0.1mm and ultra-precision custom tolerance up to ±0.05mm. All sheet metal enclosures pass ISO9001, RoHS, EMC and LVD certification, fully adaptable to all indoor & outdoor off-grid energy storage scenarios worldwide.</p>
<p>SanJun Hardware is a precision sheet metal manufacturer specialized in tailor-made wall-mounted lithium battery cabinets for residential solar PV energy storage systems. We craft lightweight, wall-hangable battery enclosures with perfect load-bearing balance, indoor dustproof & moisture-proof, anti-corrosion and space-saving features for household backup power projects.<br />
Our biggest competitive advantage: We provide completely free structural design, CAD drafting and DFM optimization based on your technical parameters. No drawings or sketches need to be prepared by buyers. Our in-house one-stop production solves common industry defects including wall hanging load deformation, poor heat dissipation, loose sealing, uneven wall mounting hole positioning and inconsistent dimensional tolerance. We fully support OEM & ODM customization, small trial orders and mass volume bulk production for global new energy enterprises.</p>
<p>SanJun Hardware is a professional precision sheet metal manufacturer focusing on custom stackable lithium battery storage enclosures for solar PV energy storage systems. We adopt carbon steel, galvanized steel and stainless steel as raw materials to produce high-load stackable battery cabinets with stable stacking positioning, IP-rated waterproof & dustproof, anti-corrosion and anti-vibration performance for household & commercial energy storage projects.<br />
Our core competitive advantage: we provide free full structural CAD drawing design according to your technical demands, no ready drawings required from buyers. Our one-stop in-house production resolves mainstream industry processing defects including cabinet stacking deformation, poor layer positioning clearance, uneven sealing, weak load-bearing and inconsistent batch dimensional tolerance. We fully support OEM & ODM customization for all capacity energy storage systems, small trial orders and mass bulk production.</p>
<p>Professional sheet metal manufacturing for new energy storage and industrial control enclosures. We handle sophisticated processes including laser cutting, precision stamping and powder coating.<br />
Featuring complex structural design, strict dimensional tolerance and high sealing requirements, the products demand advanced craftsmanship. Our mature processing technology delivers high rigidity, corrosion resistance and stable performance, meeting stringent industrial application standards.</p>
Dongguan Sanjun Hardware und Elektrotechnik Co., Ltd.
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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!
Entwickeln Sie robuste BESS-Gehäuse für den Außenbereich, die extremen Klimabedingungen standhalten. Entdecken Sie die maßgeschneiderten IP66-zertifizierten, dicht verschlossenen und korrosionsbeständigen Designs von SanJun Hardware.
Beseitigen Sie thermische Engpässe in 2U-Gehäusen mit hoher Packungsdichte. Entdecken Sie die von SanJun Hardware entwickelten Blechkonstruktionen, präzisen Abdeckungen und maßgeschneiderten Luftstromlösungen.
