Custom Sheet Metal Fabrication | Enclosures & Parts | Sanjun Hardware – San Jun Hardware – Page 2

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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

  • High Precision Customization

    Full structural & dimensional customization with strict ±0.1mm tolerance to perfectly match your equipment design and assembly requirements.

  • Global Standard Quality Assurance

    Full-process QC inspection and premium surface treatment ensure stable, durable and consistent batch quality for global market application.

  • Professional Engineering & On-Time Delivery

    Free DFM optimization, flexible MOQ support and efficient one-stop service to simplify your cross-border procurement.
Contact Us-320X320-20260611

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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-20260611
    Yes. We support 1PC MOQ, no mold tooling required. All custom sheet metal enclosures can be produced directly per your design.
    Yes, we accept custom sheet metal fabrication strictly based on your 2D/3D drawings. We provide free DFM checking, follow your exact material, tolerance and finishing requirements. Both prototype and mass production are available with full quality control and export standard packaging.
    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.
    All our products have obtained ISO9001, EMC, LVD and RoHS certifications. We fully comply with global safety and quality standards, delivering stable, trustworthy solutions for all project applications.
    We operate our own factory and provide one-stop full in-house production. Strict process control and standardized quality management guarantee stable product quality and punctual delivery, building reliable long-term global partnerships.
    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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                  Custom Sheet Metal Enclosures for Control Boxes Overview

                  Control Boxes Overview
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                    Custom Sheet Metal Enclosures for Power Boxes

                    Power Boxes01
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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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