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<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 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>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>نحن شركة متخصصة في تصنيع الصفائح المعدنية، ونُقدم حلولاً مُخصصة لمشابك تثبيت الألواح الشمسية، وأقواس الضغط، ووحدات التثبيت لقواعد تركيب الألواح الكهروضوئية الموزعة. نُعالج بفعالية مشاكل الانحناء والارتداد، وعدم تطابق ثقوب التثقيب، وعدم انتظام عملية التشكيل، وتفاوت أبعاد الدفعات، وهي مشاكل شائعة في إنتاج ملحقات الطاقة الشمسية. يضمن التحكم الدقيق في التفاوتات، ومعالجة الأسطح المقاومة للتآكل، والصلابة الهيكلية العالية، عمرًا تشغيليًا طويلًا في الظروف الخارجية. ندعم تصميم الرسومات والعينات حسب الطلب، ونوفر إمدادات إنتاجية ضخمة ومستقرة لشركات تكامل أنظمة الطاقة الشمسية ومصنعي مكونات الألواح الكهروضوئية حول العالم.</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>
<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>
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!
تغلّب على مشكلة الاختناقات الحرارية في هياكل 2U عالية الكثافة. اكتشف حلول SanJun Hardware المصممة هندسيًا من الصفائح المعدنية، والأغطية الدقيقة، وحلول تدفق الهواء المخصصة.
