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Product

New Energy Charging Equipment Sheet Metal

New Energy Charging Equipment Sheet Metal

Custom sheet metal cabinets and enclosures for EV chargers and new energy charging stations, with outdoor‑grade protection, easy cable routing and fast on‑site installation.
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Energy Storage & Power Equipment Sheet Metal

Energy Storage & Power Equipment Sheet Metal

Sheet metal enclosures for battery energy storage systems (ESS), power distribution cabinets and control panels, designed for safety, heat dissipation and long‑term stable operation.
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Industrial Control & Intelligent Equipment Sheet Metal

Industrial Control & Intelligent Equipment Sheet Metal

Precision sheet metal housings and control cabinets for industrial automation and intelligent equipment, ensuring accurate fit, organized wiring space and reliable performance in harsh environments.
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Outdoor Security & Municipal Sheet Metal

Outdoor Security & Municipal Sheet Metal

Weather‑resistant sheet metal boxes and cabinets for CCTV, access control, traffic and municipal projects, offering IP‑rated protection, anti‑corrosion finishes and long service life outdoors.
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Custom Sheet Metal Fabrication

Custom Sheet Metal Fabrication

Flexible custom sheet metal fabrication for brackets, frames, enclosures and metal parts, providing one stop support from DFM and prototyping to batch production and assembly at competitive cost.
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Win-Win

  • Customization

    The competitiveness of a custom sheet metal shop stems from the iron triangle of "accurate understanding of needs + controlled quality + flexible delivery," supported by cost optimization and technical collaboration.

  • Cooperation

    Excellent shops not only meet order requirements but also proactively optimize the manufacturing value chain for their customers, becoming strategic partners in their supply chain.

  • Win-Win

    Slogan: Strive for excellence, cooperate for mutual benefit
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    1. Upload CAD Files

    Select your manufacturing process and upload 3D CAD files/drawings for custom sheet metal enclosures, cabinets or parts, including material, thickness and quantity.

    2. Get DFM Review & Quote

    Within 24 hours you receive a design‑for‑manufacturability check plus a detailed quotation with pricing and lead time for your sheet metal parts.

    3. Manufacturing Starts

    After approval, CNC punching, laser cutting, bending, welding, finishing and assembly are carried out in‑house according to your CAD and BOM.

    4. Quality Check & Shipping

    All parts and enclosures pass inspection, are securely packed, and shipped on time so they arrive ready for installation.

    FAQ

    Frequently Asked Questions - Custom Sheet Metal Services

    FAQ-New20260516
    Yes. We support 1PC MOQ, no mold tooling required. All custom sheet metal enclosures can be produced directly per your design.
    Absolutely. We customize strictly based on your CAD drawings, design files or physical samples for EV charging and ESS enclosures.
    We provide 24H DFM drawing review and formal quote after receiving your technical requirements.
    Yes. We offer fast prototype sampling according to your drawings, helping you verify structure and size before bulk order.
    Our products pass ISO9001, EMC, LVD and RoHS, fully compliant for new energy charging and energy storage projects.
    We have in-house full-process production with strict schedule control. Stable quality and on-time delivery for long-term global cooperation.
    We process a full range of standard and high-performance sheet metal materials, including stainless steel (304/316), aluminum (5052/6061), cold/hot rolled steel, galvanized steel, brass and copper. We can also source special materials according to your project requirements.
    Our standard machining tolerance is ±0.1mm for laser cutting and bending. For high-precision parts, we can reach ±0.05mm based on material thickness and part structure. All dimensions are 100% inspected before delivery to meet your requirements.
    Yes, we provide one-stop full surface treatment services, including powder coating, painting, anodizing, sandblasting, brushing, electroplating, passivation, polishing and heat treatment. We can customize colors and effects according to your design.
    Yes, we always sign NDA (Non-Disclosure Agreement) before receiving any drawings or design details from customers. We strictly protect your intellectual property and keep all your projects confidential.
    Latest Case

    Sheet Metal Case Studies | Custom Enclosure Projects

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    Custom Sheet Metal Enclosures for Communication Device Power Boxes

    Communication Device Power Boxes
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      Custom Sheet Metal Enclosures for Wall-Mounted Multi-Vent Server Chassis

      Wall-Mounted Multi-Vent Server Chassis
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        Custom Sheet Metal Enclosures for Multimedia Playback Boxes

        Multimedia Playback Boxes
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          Custom Sheet Metal Enclosures for Multi-Function Control Boxes

          Multi-Function Control Boxes
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            Custom Sheet Metal Enclosures for Network Multimedia Devices

            Network Multimedia Devices
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              Custom Sheet Metal Enclosures for Multimedia Panels

              Multimedia Panels
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                Custom Sheet Metal Enclosures for Battery Packs Overview

                Battery Packs Overview
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                  Testimonials

                  What Our Clients Say

                  Global Clients’ Real Feedback on Custom Sheet Metal Enclosures & One-Stop Processing Services

                  What Our Clients Say-01
                  "±0.01mm positional accuracy for all interface cutouts. 470 units delivered 3 days early with zero defects. Unmatched precision for our 5G power modules."
                  Service 9

                  Olivia

                  Chief Procurement Officer, Telecom Systems GmbH
                  What Our Clients Say-02
                  "Sanjun delivered 300 wall-mounted server chassis 4 days early with 100% quality pass rate. Their hybrid ventilation design solved our 24/7 overheating issue, and reinforced structure increased load capacity by 30%. After 6 months of flawless operation, we signed a 3-year exclusive agreement. They are our most reliable sheet metal partner."
                  Service 10

                  Darlene Robertson

                  Engineering Director, DataEdge Solutions (USA)
                  What Our Clients Say-03
                  "Sanjun solved our toughest challenges: ±0.01mm multi-interface alignment, slim design with 20% enhanced strength, and consistent quality across 800 units. Delivered 4 days early with 100% pass rate. We signed a 2-year exclusive agreement."
                  Service 1

                  Chloe

                  Product Manager, ProAV Solutions (Australia)
                  What Our Clients Say-04
                  "Sanjun solved all our core challenges: 3.4cm ultra-slim design with 22% higher rigidity, ±0.01mm interface alignment, zero color difference across 1,000 units, and efficient honeycomb cooling. Delivered 5 days early with 100% pass rate. We signed a 3-year exclusive agreement."
                  Service 2

                  Ethan

                  General Manager, Smart Electronics (Singapore)
                  What Our Clients Say-05
                  "Sanjun solved all our critical challenges: 4.5cm slim rack design with 25% enhanced rigidity, ±0.01mm complex interface alignment, zero color difference across 190 units, and efficient honeycomb cooling. Delivered 2 days early with 100% pass rate. We signed a 2-year exclusive agreement."
                  What Our Clients Say-05-1

                  David Miller

                  Technical Director, ProAV Media (Germany)
                  Testimonials7
                  Fast, professional and high quality. Looking forward to long term business. Thank you!
                  Service 4

                  Lucas

                  consumer
                  Testimonials8
                  I am very happy with the product I received. it was exactly as described and very well manufactured. Will do business again.
                  Service 5

                  Eli

                  consumer
                  Testimonials9
                  I'd like to thank you and the team at Sanjun for delivering a nicely product to us and on time. We are very pleased with the product and you will get our future business.
                  Service 6

                  Tom

                  consumer
                  Testimonials5
                  Sanjun is professional, making sample and mass production cargo Quality is very good! Smooth finish, no scratches. Good packing, no damage during shipment. I'll come back to order again.
                  Service 7

                  Mia

                  consumer
                  Testimonials6
                  Sunjun is professional, making sample and mass production cargo Quality is very good! Smooth finish, no scratches. Good packing, no damage during shipment. I'll come back to order again.
                  Service 8

                  Darlene Robertson

                  consumer
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