Outdoor Security & Municipal Sheet Metal – SanJun Hardware
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Dongguan Sanjun Hardware & Electrical Co., Ltd.

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    Outdoor Enclosure IP65 Design Sealing, Drainage, and Gasket Selection

    Outdoor Enclosure IP65 Design: Sealing, Drainage, and Gasket Selection

    Design IP65 outdoor enclosures that keep electronics dry. Learn gasket selection, seal design, and drainage principles for weatherproof sheet metal cabinets.
    2U Rack Enclosure Design Guide Space, Cooling, and Serviceability

    2U Rack Enclosure Design Guide: Space, Cooling, and Serviceability

    A practical 2U rack enclosure design guide covering space budget, front-to-back cooling, and serviceability, with the fabrication detail that makes it work.
    How Design for Manufacturability (DFM) Cuts Custom Sheet Metal Costs by 30%

    How DFM Cuts Custom Sheet Metal Fabrication Costs by 30%

    Discover how sheet metal DFM cuts custom fabrication costs by 30%. Optimize material nesting, standardize bend radii, and reduce welding expenses.
    DFM Rules to Lower Sheet Metal Thermal Management Costs Without Sacrificing CFM

    DFM Rules to Cut Sheet Metal Thermal Costs Without Losing CFM

    Lower enclosure fabrication costs and boost airflow. Learn key DFM rules for perforated panels, hole patterns, and fan static pressure optimization.
    Engineering Switchgear Cabinet Fabrication for Substation Safety

    Engineering Switchgear Cabinet Fabrication for Substation Safety

    Explore precision sheet metal engineering for arc-resistant switchgear. Enhance substation safety with custom pressure relief & reinforced frame designs.
    Convert Sheet Metal Sketches & Samples to Production-Ready CAD

    Convert Sheet Metal Sketches & Samples to Production-Ready CAD

    Turn hand sketches and sample parts into production-ready CAD files. SanJun Hardware provides sheet metal reverse engineering, DFM, and rapid prototyping.
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